Company History

 

1963
  • Company established in Shinmei-cho, Komagome, Tokyo with capital of 2 million yen
  • Tsutomu Oita appointed President and Representative Director
  • Registered as a surveyor based on the Survey Act
1964
  • Registered as a construction consultant with 5 divisions
  • Opened the Osaka agency (changed name to the Osaka branch in October 1972)
  • Opened the Toyama agency (changed name to the Hokuriku branch in March 1981)
  • Opened the Nagoya agency (changed name to the Chubu branch in July 1998)
1966
  • Technical Headquarters established in Koshigaya-shi, Saitama Prefecture (changed name to Tokyo branch in April 1985)
1969
  • Developed linear calculation / lattice calculation / plane framework analysis programs
1970
  • Introduced automatic drawing machine
1971
  • Developed material calculation and BOX automatic design program
1972
  • Moved headquarters to Sakuma-cho, Kanda, Chiyoda-ku, Tokyo
  • Opened Sendai branch (changed name to Tohoku branch in April 1985)
  • Opened Fukuoka branch (changed name to Kyushu branch in July 1998)
1974
  • Established overseas business unit, comprehensive transportation system unit, and water supply and sewage section, aiming to expand business areas
1975
  • Moved the head office to Honkomagome, Bunkyo-ku, Tokyo
  • Changed the closing date from December to June
  • Additionally registered Geological Division
1976
  • Additionally registered Soil and Foundations Division, Tunnel Division, Urban and Regional Planning Division, and Sewage Division
1977
  • Registered as a first-class architectural office
1978
  • Registered as a geological surveyor
1980
  • Moved head office to Higashi Ueno, Taito-ku, Tokyo
  • Received the Tanaka Award (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Omishima Bridge” and “Tatsumi Elevated Bridge”
1982
  • Opened Utsunomiya sales office (changed name to Utsunomiya branch in July 1996)
  • Opened Morioka agency (changed name to Morioka branch in September 1996)
1983
  • Received the Tanaka Award (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Tsukiyono Bridge”
1984
  • Received the Tanaka Award (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Horikawa-sujiko Bridge”
  • Opened Shikoku sales office (changed name to Shikoku branch in July 2006)
1985
  • Opened Niigata sales office (changed name to Niigata branch in June 1991)
1986
  • Opened Yokohama office (changed name to Yokohama branch in July 2011)
  • Opened Fukushima sales office (changed name to Fukushima office in August 1992)
1987
  • Received the Tanaka Award (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Katsushika Harp Bridge”
  • Eisaku Shimizu appointed as President and Representative Director
1988
  • Established the Manila office in the Philippines (closed in September 2010)
1989
  • Moved head office to Matsugaya, Taito-ku, Tokyo
  • Received the Tanaka Award (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for the “Seto Bridge”
1990
  • Opened Okayama agency (changed name to Okayama office in July 1993)
  • Completed Hokuriku branch office building
1992
  • Established Research Division, applied airborne electromagnetic method technology in geophysical exploration field to geological survey field, expanded business area
1993
  • Completed head office building
1994
  • Additionally registered Landscaping Division
  • Relocated head office to Komagome, Toshima-ku, Tokyo
1995
  • Additionally registered Construction Environment Division, bringing number of Construction Consultant registrations to 12 Divisions
  • Listed on the Japan Securities Dealers Association over-the-counter market. (Securities Identification Code: 9797)
  • Established a joint venture with Vietnam Joint Stock Computer Company (CMT) in Vietnam (commencing in 1997)
1996
  • Issued bonds with warrants in Swiss francs (redeemed in February 2000)
  • Established NE-CMT Engineering Co., Ltd., a joint venture in Vietnam
1997
  • Listed shares on the Second Section of the Tokyo Stock Exchange
  • Received the Tanaka Award (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Haebaru Elevated Bridge”
1998
  • Received the Tanaka Award (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Ise Wangan Expressway Meiko Sandai Bridge (Meiko Triton)”
  • Introduced the core system “Management Information System”
  • Tokyo branch acquired ISO 9001 quality system standard certification
1999
  • Received the Tanaka Award (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Kurushima Strait No. 1 Bridge” and “Tatarao Bridge”
  • Ken Takagi appointed as President and Representative Director
  • Osaka branch, Hokuriku branch and Tohoku branch acquired ISO9001 quality system standard certification
  • Made NE – CMT a wholly-owned subsidiary (changed name to Nippon Engineering-Vietnam Co., Ltd.)
2000
  • Kyushu branch acquired quality system standard ISO 9001 certification with electronic medium
  • Head office and Chubu branch acquired ISO9001 quality system standard certification
  • Acquired environmental management system standard ISO14001 certification (companywide version)
2001
  • Obtained patent for “Long-distance suspension bridge with cable system” (Patent No. 3118185)
  • Registered “Geological survey by aerial electromagnetic method” at the Ministry of Construction (current Ministry of Land, Infrastructure, Transport and Tourism) New Technology Information System (NETIS)
  • Technical advisor Mr. Yukio Maeda received the Japan Society of Civil Engineers Achievement Prize
  • Additionally registered the Construction Consultant Division “Agriculture and Civil Engineering Division”
  • Newly established Environmental Landscape Division, Maintenance Division, Information Division, River Sabo Division, and CM Division
  • Established company-wide quality management system by integrating branch quality management systems
2002
  • Received the 2001 Design Prize Grand Prize from the Japan Society of Civil Engineers for “Kishamichi Promenade” and “Shiga Route – Creating a road that coexists with nature”
  • “Detailed Graphical Analysis by Diagonal Photography” registered in the Ministry of Land, Infrastructure, Transport and Tourism’s system (NETIS)
  • Established China office (changed name to China branch in July 2006)
  • Established quality and environmental management system by integrating quality management system and environmental management system
  • Acquired patent for “Road floor and traffic routes that include it” (Patent No. 3383289)
2003
  • Specified as Designated Organization for Soil Contamination Surveys (Abolished March 2013)
  • Received the Tanaka Award (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Goshiki Zakura Bridge”
  • Received the 2002 Design Prize Grand Prize from the Japan Society of Civil Engineers for “Fureai Bridge” at Oyama General Park
2004
  • Received the 2003 Design Prize Grand Prize from the Japan Society of Civil Engineers for “Minamihonmokuo Bridge”
  • Kenji Funaki appointed as President and Representative Director
  • Received Good Design Award in the “Architectural & Environmental Design Category” for “Tomata Bridge”
2005
  • Additionally registered the construction consultant division “Ports and Airports Division”
  • Opened Hanoi office in Vietnam
2006
  • Acquired patent for “Joint structure of variable cross section structures using PC wells” (Patent No. 3796605)
  • Received the Engineering Prize (Group II) from the Japan Society of Civil Engineers for “Construction of Tomata Dam”, and the Tanaka Award (Excellence in Bridge Design and Construction) for “Nanairo Elevated Bridge”
2007
  • Acquired patent for “Foundation pile body” (Patent No. 3997543)
  • Received Good Design Award “Architectural & Environmental Design Category” for “Shin-Toyo Bridge”
2008
  • Received the 2007 Design Prize Grand Prize from the Japan Society of Civil Engineers for “Total Design of Tomata Dam Space”
  • Acquired patent for “Autonomous network measurement system” (Patent No. 4093392)
  • Received the Tanaka Award (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Shin-Toyohashi”
2009
  • Acquired patent for “Rebuilding method of bridge abutments” (Patent No. 4369506)
  • Masahide Kawakami appointed as President and Representative Director
  • Established Nippon Engineering Techno Co., Ltd.
2010
  • Received the 2009 Design Prize Grand Prize from the Japan Society of Civil Engineers for “Shin-Toyo Bridge”
2011
  • Received the 2010 Design Prize Grand Prize from the Japan Society of Civil Engineers for “Kawasaki MUZA DECK”
  • Received the Engineering Prize from the Japan Society of Civil Engineers Kansai Branch for “Seismic reinforcement project for Harbor Highway bridges considering seismic performance grade”
  • Received the Engineering Prize (Group I) from the Japan Society of Civil Engineers for “Rational seismic reinforcement of long cable-stayed bridges using seismic isolation technology – Higashi-Kobe Bridge and Tenbozan Bridge”
2012
  • Received the 2011 Design Prize Grand Prize from the Japan Society of Civil Engineers for “Hamamirai Walk”
2013
  • 50th anniversary of foundation (January 23)
  • Received the 2012 Design Prize Grand Prize from the Japan Society of Civil Engineers for “Shinshimantogawa Bridge”
  • Received the Tanaka Award (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Shinminato Bridge”
  • ICT Management Center, Yokohama Branch acquired ISMS certification
  • Akira Takaku appointed as President and Representative Director
2014
  • Received the Tanaka Prize (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Kakamigahara Bridge”
  • Received Good Design Award for “Sayama Sky Terrace”
2015
  • Received the 2014 Design Prize Honorable Mention from the Japan Society of Civil Engineers for “Toyama Bridge”
  • Moved Tokyo branch to Saitama City, Saitama Prefecture and changed name to Kanto branch
  • Received the Tanaka Prize (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Irabu Bridge”
  • Received the Tanaka Prize (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Nhật Tân Bridge (Vietnam – Japan Friendship Bridge)”
2016
  • Received the 2015 Design Prize Grand Prize from the Japan Society of Civil Engineers for “Kakamigahara Bridge”
  • Received the 2015 Design Prize Honorable Mention from the Japan Society of Civil Engineers for “Shinminato Bridge”
  • Received the 2015 Design Award Honorable Mention from the Japan Society of Civil Engineers for “Sayama Sky Terrace”
  • Nobuhiro Arai appointed as Executive President and Representative Director
2018
  • Obtained patent for “The design and construction method for connecting structure of steel column and steel pile cap” (Patent No.6266246)
  • Received the Tanaka Prize (Excellence in Bridge Design and Construction) from the Japan Society of Civil Engineers for “Kesennuma Oshima Bridge”
2021
  • Established a wholly-owned parent company DN Holdings Co., Ltd.
2022
  • Yoshinori Kusumoto appointed as Executive President and Representative Director