History of Works

1995~1999

Business Entity Project Site Location Period Description of Project
Titas Communications Co., Ltd. CATV Main Cable Installation (Phase Ⅰ) Kashiwa, Chiba 1995 Oct.~1996 Mar. Optical main cable installation (19.3km)
Coaxial cable installation (208km)
Reception antenna installation (6 units)
Parabolic reception antenna installation (4units)
Electrical works for PS (170 places)
Connection of optical cables 300cores (2 places)
Installation of devices (38 units)
Matsudo CATV Co., Ltd. CATV Main Cable Installation (Phase Ⅲ) Matsudo, Chiba 1996 May~1997 Mar. Optical main cable installation (28km)
Coaxial cable installation (234km)
Electrical works for PS (189 places)
Titas Communications Co., Ltd. CATV Main Cable Installation (Phase Ⅱ) Maebashi, Gunma 1996 Nov.~1997 Aug. Optical main cable installation (9km)
Coaxial cable installation (54km)
Reception antenna installation (6 units)
Parabolic reception antenna installation (4units)
Electrical works for PS (46 places)
Installation of devices (58 units)
Matsudo CATV Co., Ltd. CATV Main Cable Installation (Phase Ⅲ) Matsudo, Chiba 1997 Jan. Burying work of optical cable (340m)
CATV Fujigoko Co., Ltd. Akemi Area Optical Cable Installation Fujiyoshida,Yamanashi 1997 Mar.~1997 May Optical main cable installation (5.2km)
Titas Communications Co., Ltd. MDU work
Wiring of TV and Internet
Kashiwa, Chiba 1997 Mar.~1997 Jul. Wiring of CATV and Internet (56 households)
Titas Communications Co., Ltd. Installation of Power Node(Phase Ⅰ) Kashiwa, Chiba 1997 May~1997 Aug. Exchange work of electrical devices
(300VA-->900VA)(170 places)
Astel Tokyo Co., Ltd. Installation of PHS Antenna Tokyo and Kanagawa 1997 Mar.~1997 Nov. Installation of PHS antennas (204units)
Sanwa Elec Co., Ltd. Installation Optical Cables on Metropolitan Motorway Omiya, Saitama 1998 Feb. Installation optical cables(12km)
Isuzu Motors Ltd. Installation of LAN cable in Fujisawa Factory Fujisawa,Kanagawa 1998 Mar. Installation of LAN cable(8.5km)
Yuna Co., Ltd. Renovation Work Kashiwa, Chiba 1998 Apr.~1998 May installation of air-conditioner and electrical equipment and wiring (214.5m²)
Nippon Telegraph and Telephone Corporation PHS Base Station Installation Work Tokyo 1999 Jan.~1999 Mar. Installation of PHS antennas (150units)
Daini Denden Inc. PHS Base Station Installation Work Tokyo 1999 Apr.~1999 Aug. Installation of PHS antennas (60units)
Hamamatsu Photonics Co., Ltd. Inter-school Network Installation Setagaya,Tokyo 1999 Aug.~1999 Sep. Installation of radio antennas (16 units)
Nippon Telegraph and Telephone Corporation NTT PHS Base Station Construction Saitama 1999 Jul.~1999 Dec. Installation of PHS antennas (130units)
Chiba Prefecture Installation of Emergency Broadcasting System in Tsukushi School for the Disabled Matsudo, Chiba 1999 Aug.~1999 Nov. Installation of emergency broadcasting equipment (36 units)

2000~2004

Business Entity Project Site Location Period Description of Project
Koala TV Co., Ltd. Wiring Internet Cables in Houses Matsudo, Chiba 2000 Jan.~2000 Mar. Wiring of Internet cables(3000households)
Futami Communications & Engineering Co., Ltd. Installation & Wiring in New Company Building Matsudo, Chiba 2000 Jan.~2000 Aug. installation of air-conditioner and electrical equipment and wiring (720m²)
Yuna Co., Ltd. Renovation Work Ginza, Tokyo 2000 Jun.~2000 Jul. installation of air-conditioner and electrical equipment and wiring (178.2m²)
Titas Communications Co., Ltd. Installation of Internet Cables in Public Primary Schools Nagareyama, Chiba 2000 Jun.~2000 Aug. Wiring of Internet cables(18 schools)
Urban Renaissance Agency Satellite Broadcast Reception Equipment Co-listening work Kita-ku,Tokyo 2000 Jan.~2001 Jan. Installation of satellite broadcasting equipment and wiring (110 households)
Electrical work
CATV Fujigoko Co., Ltd. CATV Facility Transmission Line Repair Work (Investigation, Construction, Supervision, Adjustment) Fujiyoshida,Yamanashi 2000 Nov.~2001 Oct. Optical main cable installation (21km)
Coaxial cable installation (233km)
Electrical works for PS (151 places)
Yuna Co., Ltd. Renovation Work Shibuya, Tokyo 2001 May~2001 Jul. installation of air-conditioner and electrical equipment and wiring (405.9㎡)
CATV Fujigoko Co., Ltd. Installation of CATV Cables Fujiyoshida,Yamanashi 2001 Mar.~2002 Feb. Installation of CATV cables and wiring (10,264 households)
Tokai COM Co., Ltd. ADSL Installation Work Tokyo, Chiba, Saitama 2001 Sep.~ Installation of internet cables in houses
Nippon Field Engineering Co., Ltd. New Construction of Interactive Facility Kasukabe,Saitama 2001 Oct.~2002 Mar. Installation of coaxial cable (2.7km)
Installation of devices
CATV Fujigoko Co., Ltd. Removal Work of CATV Cables Fujiyoshida,Yamanashi 2002 Feb.~2002 Apr. Removal of CATV cables (250km)
Removal of communications poles(151 poles)
CATV Fujigoko Co., Ltd. Repair Work of Amplifier Fujiyoshida,Yamanashi 2002 Feb.~2002 May Repair work of amplifiers (145 units)
CATV Fujigoko Co., Ltd. Exchange Work of PS Poles Fujiyoshida,Yamanashi 2002 Feb.~2002 May Exchange works of PS poles (30poles)
Electrical work (36 locations)
CATV Fujigoko Co., Ltd. Installation of CATV Cables Fujiyoshida,Yamanashi 2002 Feb.~ Installation of CATV cables and wiring (10,264 households)
Nippon Field Engineering Co., Ltd. New Construction of Interactive Facility Kasukabe,Saitama 2002 Apr.~2002 Jul. Installation of coaxial cable (2.3km)
Installation of devices
CATV Fujigoko Co., Ltd. Repair Work of CATV Cables Fujiyoshida,Yamanashi 2002 May ~ Repair work of CATV cables (2.3km)
Koala TV Co., Ltd. Wiring Internet Cables in Apartments Nagareyama, Matsudo, Chiba 2002 May ~ Wiring of Internet cables
BB Communications Co., Ltd. Installation and Wiring of BB Phone Tokyo, Chiba 2002 Jun. ~ Installation and wiring of BB phones
NTT DoCoMo, Inc. Installation of PHS Base Stations Ibaraki 2002 Sep. ~ Installation of PHS antennas
Nippon Field Engineering Co., Ltd. Installation of Optical Cables (FTTH) Tokyo 2002 Oct.~ Installation of optical cables into houses
Funabashi Cable Network Co., Ltd. Installation of Modems and Wiring Funabashi,Chiba 2002 Nov.~ Installation of modems and wiring at houses
Cable Television Adachi Co., Ltd. Installation of Modems and Wiring Adachi-ku,Tokyo 2002 Nov.~ Installation of modems and wiring at houses
Tokyo Antenna Works Co., Ltd. Survey Prior to Digital Terrestrial Broadcasting Tsuchiura,Ibaraki 2003 Jan.~2003 Mar. Survey about reception of television radio
Nippon Field Engineering Co., Ltd. New Construction of Interactive Facility Kasukabe,Saitama 2003 May~2003 Sep. Installation of coaxial cable
Installation of devices
Kyowa Exeo Corporation TV Reception Countermeasure Construction Related to Analog Frequency Change Countermeasure Work Ibaraki 2003 Sep.~2004 Mar. Channel preset and antenna replacement work
Tepco Cable Television Co., Ltd. Installation of Modems and Wiring Kasukabe,Saitama 2003 Sep.~ Installation of modems and wiring at houses
NHK Integrated Technology, Inc. TV Reception Countermeasure Construction Related to Analog Frequency Change Countermeasure Work Saitama,Tochigi 2003 Sep.~ Channel preset and antenna replacement work
NTT-ME, Inc. TV Reception Countermeasure Construction Related to Analog Frequency Change Countermeasure Work Ibaraki,Tochigi 2003 Sep.~ Channel preset and antenna replacement work
NHK Integrated Technology, Inc. TV Reception Countermeasure Construction Related to Analog Frequency Change Countermeasure Work Chiba 2004 Jan.~2004 Mar. Antenna countermeasure work
Tokyo Cable Network Co., Ltd. Installation of Modems and Wiring Tokyo 2003 Oct.~ Installation of modems and routers
Tepco Cable Television Co., Ltd. Installation of Optical Cables (FTTH) Tokyo 2003 Nov.~ Installation of optical cables into houses
Softbank BB Installation of Optical Cables at Apartments Tokyo 2004 Mar.~2004 Dec. Survey, design and installation work at apartments
Toshiba Corporation Installation of Optical Cables at Apartments Tokyo 2004 Mar.~2004 Dec. Survey, design and installation work at apartments
Vodafone Group Telecommunication Base Station Installation Chiba 2004 May Installation of antennas
Kyowa Exeo Corporation Installation of TV Shared Reception Facility for Digital Terrestrial Broadcasting Ibaraki 2004 Mar.~2004 May Installation and wiring at houses (38 households)
Kyowa Exeo Corporation Installation of TV Shared Reception Facility for Digital Terrestrial Broadcasting Ibaraki 2004 Jun.~2004 Oct.y Installation and wiring at houses (40 households)
Jupiter Telecommunications Co., Ltd Abiko Welfare HUREAI Plaza Radio Interference Countermeasure Work Abiko, Chiba 2004 Nov.~ Radio interference countermeasure work (600 households)

2005~2009

Business Entity Project Site Location Period Description of Project
Yagi Antenna Co., Ltd. TV Reception Failure Countermeasure Work Mobara, Chiba 2005 May~ TV reception failure countermeasure work (1600 households)
Nippon COMSYS Corporation Installation of a TV Joint Reception Facility for Terrestrial Digital Broadcasting Tochigi 2005 Jun.~ Installation of facility and wiring(42 households)
Kyowa Exeo Corporation Installation of a TV Joint Reception Facility for Terrestrial Digital Broadcasting Ibaraki 2005 Jul.~ Installation of facility and wiring(28 households)
Koala TV Co., Ltd. Installation of a TV Joint Reception Facility Noda, Chiba 2005 Jul.~2005 Nov. Installation of facility and wiring(1600 households)
DX Antenna Co., Ltd. JCV Transmission Line Band Expansion Work Niigata 2006 Mar.~2006 Aug. Overhead line and optical cable fusion work
e Mobile Co., Ltd. Telecommunication Base Station Installation Kanto area 2006 Apr.~ Survey, design, installation of base stations (12stations)
NTT DoCoMo, Inc. PHS Telecommunication Base Station Installation Kanagawa 2006 Jun.~2006 Jul. Installation of base stations (6stations)
JCOM Technologies Co., Ltd. Base Station Lead-in Installation Kisarazu,Chiba 2006 Jun.~2007 Sep. Lead-in installation
Koala TV Co., Ltd. Installation of EMTA Chiba 2006 Aug. Installation of telephones
Kandenko Co., Ltd. Telecommunication Base Station Installation Kanto Area 2006 Aug.~2007 Feb. Installation of base stations (18stations)
Nittetsu Elex Co., Ltd. Telecommunication Base Station Installation Kanto Area 2006 Dec.~ Survey, design, installation of base stations (8stations)
Sanwa Com System Engineering Co., Ltd. au Telecommunication Base Station Installation Kanto Area 2007 May~2007 Aug. Installation of base stations (2stations)
Kyowa Exeo Corporation au Telecommunication Base Station Installation Kanto Area 2007 Aug.~ Installation of base station
Sanwa Com System Engineering Co., Ltd. Telecommunication Base Station Installation Kanto Area 2007 Aug.~ Installation of base station
Kyowa Exeo Corporation au Telecommunication Base Station Installation Kanto Area 2007 Oct.~2007 Nov. Installation of base station
Sumitomo Densetsu Co., Ltd. au Closed Area Work Ibaraki 2008 Sep.~2008 Oct. Installation of base station
Nittetsu Elex Co., Ltd. Telecommunication Base Station Installation Kanto Area 2008 Aug~ Survey, design, installation of base station
You TV Co., Ltd. Up-grade to 770MHz Work Kanagawa 2008 Nov~2009 Jul. Up-grade work
Alicenet Co., Ltd. Exchange from Fluorescent Lights to LED Tube Light Tokyo 2009 Mar.~ Installation of LED tube lights
NTT DoCoMo Co., Ltd. Installation of LED Tube Light Tokyo 2009 Mar.~ Installation of LED tube lights
Softbank Co., Ltd. Telecommunication Base Station Installation Kanto Area 2009 Feb.~2009 Mar.~ Design, survey, construction of telecommunication base stations (4stations)
Nippon Densetsukogyo Co., Ltd. Non-FTTH compatible construction related to TV reception failure Kanto Area 2009 Mar.~2011 Jul. Installation of antennas
NTT DoCoMo Co., Ltd. Telecommunication Base Station Installation Chiba 2009 Apr. Installation of telecommunication base station (1station)
UQCWima Telecommunication Base Station Installation Kanto Area 2009 May Installation of telecommunication base station (1station)
UQCWima Telecommunication Base Station Installation Kanto Area 2009 Jun. Negotiation of telecommunication base station (4stations)
Kyowa Exeo Corporation Individual Reception Consultation and Passive Terrestrial Digital Broadcasting Interference Investigation Ibaraki 2009 Jul.~2010 Mar. Survey of terrestrial digital broadcasting (304cases)
Iwabuchi Corporation Exchange from Fluorescent Lights to LED Tube Light Matsudo, Chiba 2009 Sep. Installation of LED tube lights (22places)
Kyowa Exeo Corporation Survey regarding Terrestrial Digital Broadcasting Kanto Area 2009 Dec.~2010 Feb. Survey of terrestrial digital broadcasting (200cases)
Nippon Network Services Co., Ltd. Renovation Work to Nord Yamanashi 2009 Dec.~2010 Oct. Renovation of main lines

2010~2014

Business Entity Project Site Location Period Description of Project
Jupiter Telecommunications Co., Ltd. Katsushika Exchange from Fluorescent Lights to LED Tube Light Chiba 2010 Feb. Installation of LED tube lights (128pcs.)
Nippon CATV Technics Association Survey Regarding Terrestrial Digital Broadcasting Kanto Area 2010 Jan.~2010 Mar. Survey regarding Terrestrial digital broadcasting (179locations)
Jupiter Telecommunications Co., Ltd. Katsushika Radio Interference Countermeasure Facility Transfer Work Tokyo 2010 Feb.~2010 Mar. Transfer work (3places)
Ota Cable Network Co., Ltd. Dividing Work of Nord Tokyo 2010 Feb.~2010 Mar. Main cable work
Jupiter Telecommunications Co., Ltd. Chiba Transmission Line Extension Work Chiba 2010 Mar. Main cable work
Jupiter Telecommunications Co., Ltd. Katsushika Radio Interference Facility Transfer Work Tokyo 2010 Mar.~2011 Jan. Transfer work (21cases)
DX Antenna Co., Ltd. Work for TV Recipient Support Center Ibaraki 2010 Jun.~2011 Mar. Survey & measuring regarding Terrestrial digital broadcasting
Kyowa Exeo Corporation Work for TV Recipient Support Center Ibaraki 2010 Jul.~2011 Mar. Survey & measuring regarding Terrestrial digital broadcasting
Jupiter Telecommunications Co., Ltd. Chiba Extension Work of CATV Cables Chiba 2010 Jul.~2010 Oct. Survey of electric poles an main cable work
Ota Cable Network Co., Ltd. Dividing Work of Nord Tokyo 2010 Jul.~2011 Jan. Transfer work of PS and main cable work
Nippon Sogo Shisetsu Co., Ltd. Extension Work of CATV Cables Chiba 2010 Aug.~2010 Oct. Main cable work
Jupiter Telecommunications Co., Ltd. Kanto Extension Work of CATV Cables Saitama 2010 Sep.~2010 Dec. Main cable work
Jupiter Telecommunications Co., Ltd. Sumida Radio Interference Facility Transfer Work Tokyo 2010 Oct.~2010 Dec. Main cable work
Nippon Antenna Co., Ltd. Explanation of Co-listening Measures Against Telecommunication Failure Kanto Area 2010 Oct.~2011 Mar. Survey and explanation
Jupiter Telecommunications Co., Ltd. Katsushika Extension Work of CATV Cables Chiba 2010 Nov.~2011 Mar. Survey, design, installation of main cables
CATV Fujigoko Co., Ltd. Reception Point Construction Yamanashi 2011 Feb. Reception point construction
Jupiter Telecommunications Co., Ltd. Kanto Renovation of CATV Facility Saitama 2011 Feb.~2011 Mar. Renovation of CATV facility
Uchinonishi Apartments Administration Association Renovation of Terrestrial Digital Broadcasting System Chiba 2011 Mar. Renovation of terrestrial digital broadcasting system
CATV Fujigoko Co., Ltd. CATV Cable Work Yamanashi 2011 Mar.~2011 May Main cables work
Kyowa Exeo Corporation Work for Ibaraki Pref. TV Recipient Support Center Ibaraki 2011 Apr.~2012 Mar. Survey and measuring about terrestrial digital broadcasting system
Jupiter Telecommunications Co., Ltd. Katsushika Extension Work of CATV Cables Chiba 2011 Apr.~201 Jul. Survey, design, installation of main cables
Ajinomoto Corporation Exchange of Lightings Tokyo 2011 Jul.~2011 Aug. Exchange of LED lights
CATV Fujigoko Co., Ltd. Renovation of LED Lightings Yamanashi 2011 Aug. Exchange of LED lights
Harmony Town Shintoride Administration Association TV Joint Reception Facility Trunk Line Removal Work Ibaraki 2011 Aug.~2011 Sep. Removal of main cable
Nippon Densetsukogyo Co., Ltd. Non-FTTH Compatible Construction Related to TV Reception Failure Kanto Area 2011 Aug.~ Removal of main cable
Nippon Densetsukogyo Co., Ltd. Radio Interference Countermeasure Facility Removal Work Kanto Area 2011 Sep.~2012 Feb. Removal of main cable
Nippon Antenna Co., Ltd. Radio Interference Countermeasure Facility Removal Work Tokyo 2011 Oct.~2012 Mar. Removal of main cable
Nippon Antenna Co., Ltd. Radio Interference Countermeasure Facility Removal Work Tokyo 2011 Oct.~2012 Mar. Removal of main cable
Nippon Field Engineering Co., Ltd. Radio Interference Countermeasure Facility Removal Work Tokyo 2011 Oct.~2011 Dec. Removal of main cable
Nippon Field Engineering Co., Ltd. Radio Interference Countermeasure Facility Removal Work Chiba 2011 Oct.~2011 Dec. Removal of main cable
Nippon Field Engineering Co., Ltd. Radio Interference Countermeasure Facility Removal Work Tokyo 2011 Dec.~2012 Mar. Removal of main cable
Miyazakidai Plaza Building Administration Association Installation of Emergency Lights Tokyo 2012 Jan. Installation of emergency lights
Jupiter Telecommunications Co., Ltd. Katsushika Visual Inspection of Transmission Lines Tokyo 2012 Jan.~2012 Mar. Survey
MIRAIT Technologies Corporation Platinum Band Project Tokyo 2012 Feb.~ Survey
MIRAIT Technologies Corporation Telecommunication Base Station Installation Tokyo 2012 Mar.~ Installation
Hitachi Corporation Telecommunication Base Station Installation Nagano 2012 Oct.~2013 Oct. Installation
Showa Engineering Co., Ltd. Installation of Mega Solar Power Plant Toyama,Chiba 2012 Nov.~2013 Jun. Installation
Alicenet Co., Ltd. Installation of LED Lights Tokyo 2013 Mar.~2013 Jun. Installation
DX Antenna Co., Ltd. Reception-failure Countermeasure Facility Installation Tokyo,Chiba 2013 Mar.~2013 Sep. Installation
Dunlop Tire Chuo Co., Ltd. Renovation of LED Lights Chiba 2013 Jun. Installation
Nippon Dentsu Co., Ltd. Telecommunication Base Station Installation Tokyo,Chiba 2013 Aug.~2014 Feb. Installation
EDS Co., Ltd. Optical Cables Installation Ibaraki 2013 Dec.~2014 Mar. Installation
Fujimoto Dengyo Co., Ltd. Telecommunication Base Station Installation Chiba 2013 Jul.~ Installation
Wing Engineering Co., Ltd. Mobile Radio Equipment Installation Kanagawa 2013 Nov.~ Installation
Tokyo Energy & Systems Inc. Telecommunication Base Station Installation Chiba 2014 Mar.~ Installation

2015~2019

Business Entity Project Site Location Period Description of Project
Hands Solution Co., Ltd. Installation of LED Lights Kanto Area 2015 Apr.~2015 Jul. Installation
TDS Ltd. Installation of Solar Power Generation Facility Kanto Area 2014 May~2014 Jul. Installation
Jupiter Telecommunications Co., Ltd. Katsushika Expansion of CATV Cables Chiba 2014 Nov.~2015 Feb. Installation
Ntech. Co., Ltd. Optical Redundancy Work Chiba 2015 Feb.~2015 Mar. Installation
Jewel Tokiwadaira Administration Association Cable Removal Work for TV Reception Failure Countermeasures Chiba 2015 Feb.~2015 Mar. Installation
Jupiter Telecommunications Co., Ltd. Expansion of CATV Cables Tokyo,Chiba 2015 Feb.~ Installation
Daimaru Sogo Kikaku Co., Ltd. TC Work Chiba 2015 Feb.~ Installation
Tokyo Energy & Systems Inc. Maintenance Work during Night Chiba 2015 Jun.~ Maintenance
Itech Co., Ltd. Installation of LED Lights Kanto Area 2015 Jun. Installation (12buildings)
Ueda Cable TV Transfer of FTTH Optical Cables Work Nagano 2015 Nov.~2016 Apr. Installation
First Come Co., Ltd. Security Facility Installation Kanto Area 2015 Nov.~2016 Aug. Survey (295buildings)
Installation (356buildings)
Nippon Field Engineering Co., Ltd. Transmission Line Installation Yamanashi 2015 Dec.~2016 May Installation
Kentsu Engineering Co., Ltd. Cable Plus Telephone Installation Nagano 2016 Sep,~ Installation
Wiznet Plus Co., Ltd. Renovation of Telecommunication Facility Tokyo 2016 Sep.~ Installation
Isumi Setsubi Sekkei Co., Ltd. HFC Plus Construction Kanto Area 2016 Sep.~ Installation
Kono Dentsu Co., Ltd. Optical Cables Installation Chiba 2016 Dec.~2017 Dec. Installation
Kinden Corporation Large-scale Renovation of TV Joint Reception Facility Ibaraki,Tochigi,Gunma 2017 Apr.~2017 Dec. Survey and installation
Tokyo Energy & Systems Inc. FTTN Construction-Related Work Tokyo 2017 Nov.~2018 Mar. installation
Fobal Technology Co., Ltd. Droom Wi-Fi Work Chiba, Saitama,Tokyo 2017 Dec.~2019 Apr. Survey and installation
Wing Engineer Co., Ltd. Tunnel Disaster Prevention Equipment Installation Tokyo 2017 Mar.~2019 Apr. installation
Jupiter Telecommunications Co., Ltd. Extension Work of CATV Cables Tokyo, Chiba 2017 Apr.~2018 Mar. installation
Siton Co., Ltd. Removal of Telecommunication Facility Tokyo 2018 Mar.~2018 Dec. installation
Tokyo Energy & Systems Inc. FTTNPlus Construction-related Work Tokyo 2018 Apr.~2018 Oct. installation
Fobal Technology Co., Ltd. Exchange of Radio Facility Tokyo 2018 Oct.~2019 Jan. installation
Synclayer Inc. Aomori Cable TV FTTH Work Aomori 2018 Dec.~2019 Mar. installation
Tokyo Energy & Systems Inc. Optical Fiber Redundancy Work Chiba 2018 Nov.~2019 Mar. installation
Jupiter Telecommunications Co., Ltd. Extension Work of CATV Cables Tokyo, Chiba 2019 Apr.~2020 Mar. installation
Tokyo Energy & Systems Inc. FTTHPlus Work Chiba 2019 May~2019 Dec. installation
Denyosha Co., Ltd. Optical Cable Work Chiba 2019 Jul.~ installation
FJ Community Co., Ltd. 4K8K Satellite Broadcasting Compatible Survey / Renovation Work Kanto Area 2019 Aug.~ Survey and installation
Apresia Systems Co., Ltd. New National Stadium Maintenance Tokyo 2019 Aug.~2019 Sep. installation
Wing Engineer Co., Ltd. Tokyo International Airport Terminal3 ISD Installation Tokyo 2019 Sep.~2019 Dec,. Installation
Wing Engineer Co., Ltd. Metropolitan Expressway Komatsugawa JCT Character Information Board Maintenance Work Tokyo 2019 Sep.~2019 Oct. Maintenance

2020~

Business Entity Project Site Location Period Description of Project
Wing Engineer Co., Ltd. Narita Airport Digital Signage Rod Bar Replacement Work Chiba 2020 Feb. installation
Denso Tsushin Co., Ltd. Keisei Railway Cable Removal and Optical Laying Work Chiba 2020 Jan.~ Installation
Dainichi Tsushinkogyo Co., Ltd. Metropolitan Area Central Connecting Expressway Takaosan Tunnel Guidance Line Renewal Work Tokyo 2020 Feb.~ installation