NihonDensho aims to be a "Wonderful Company"

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January 1927Founded Terawaki Electric Company in Nishi-ku, Osaka (later renamed Tamaden Co., Ltd.)

January 1948Yamanaka Electric Co., Ltd. Established
February 1970Tamaden Co., Ltd. and Yamanaka Electric Co., Ltd. merged to form Nihon Densho Co., Ltd.
May 1972Opening of Product Center in Suita, Osaka
September 1974Tokyo Branch Office Building Completed in Adachi, Tokyo
September 1975Opening of Disaster Prevention Equipment Sales Office in Suita, Osaka
January 1976Opening of Senshu Sales Office in Izumisano, Osaka
October 1977Ebisu Building Completed in Naniwa, Osaka
Opening of FA Sales Office in Minami, Osaka
July 1983Opening of Senboku (currently Senshu) and Minami FA Sales Offices in Sakai, Osaka
November 1987Opening of 307 Higashi FA Sales Office in Ibaraki, Osaka
June 1990Capital increased to 263 million yen
July 1991Opening of Nagoya Sales Office in Kasugai, Aichi
November 1997Opening of Kobe Information System Sales Office (currently Disaster Prevention Kobe) in Higashinada, Kobe
April 2003Nihon Densho Vision System, a wholly owned subsidiary of Nihon Densho, was established.
November 2007The former Kita Sales Office and Itani Sales Office were merged, and the new Kita Sales Office was later opened in Ikeda City, Osaka.
January 2009The Fukushima Sales Office was relocated to Minato-ku, Osaka, and renamed the Nishi Sales Office.
Nihon Densho Vision System was relocated to Minato-ku, Osaka.
April 2009Opening of Housing Electrical Materials Sales Office in Naniwa-ku
The Information System Sales Office was renamed to Disaster Prevention Higashi, and the Kobe Information System Sales Office was renamed to Disaster Prevention Kobe.
Opening of Disaster Prevention Nishi Sales Office in Minato-ku, Osaka
Opening of LS Sales Division in Naniwa-ku, Osaka
April 2010Relocation of Tokuhan Office (Kita-ku, Osaka City)
Opening of Tokuhan Business Center in Kita-ku, Osaka
October 2010Opening of FA Sales Office in Naniwa-ku, Osaka
April 2011Opening of FA Business Center in Naniwa-ku, Osaka
April 2012Higashi Sales Office and Disaster Prevention Higashi Sales Office were relocated to Tsurumi-ku, Osaka.
Opening of Housing Electrical Materials Tokai Sales Office in Kasugai, Aichi
Opening of Housing Electrical Materials Kanto Sales Office in Adachi-ku, Tokyo
Opening of Housing Business Center in Kasugai, Aichi
October 2012Opening of Disaster Prevention Higashi Sales Office and Tokyo FA Sales Office in Adachi-ku, Tokyo
April 2014Opening of Disaster Prevention Higashi Sales Office and Disaster Prevention Business Center in Adachi-ku, Tokyo
Opening of Electrical Materials Delivery Business Center in Ikeda, Osaka
Opening of Tokuhan business Logistics Center (Kita-ku, Osaka City)
October 2014Opening of Disaster Prevention Business Center Kinki in Tsurumi-ku, Osaka
Opening of Kyushu Sales Office and Housing Electrical Materials Kyushu Branch Office in Hakata-ku, Fukuoka
April 2015The Amagasaki Sales Office and Kita Sales Office were merged, followed by the opening of the Hanshin Sales Office in Ikeda City, Osaka.
The Sennan Sales Office and Sakai Sales Office were merged, followed by the opening of the Senshu Sales Office in Sakai, Osaka.
Disaster Prevention Kanto Sales Office relocated to Atsugi, Kanagawa
November 2016Tokyo Sales Office and Housing Electrical Materials Kanto Sales Office
Disaster Prevention Tokyo Sales Office and Disaster Prevention Business Center
Tokyo FA Sales Office relocated to Arakawa, Tokyo
October 2017Opening of Housing Business Center Nishinihon in Naniwa-ku, Osaka
April 2018The Housing Electrical Materials Kyushu Branch Office was upgraded to the Housing Electrical Materials Kyushu Sales Office.
Opening of Yokohama Sales Office (Yokohama, Kanagawa) and Hiroshima Branch Office (Minami-ku, Hiroshima)
October 2018Opening of Nishi-ku FA Sales Office in Hakata, Fukuoka
November 2018Opening of Disaster Prevention Tokai Sales Office in Naka-ku, Nagoya
October 2019Opening of Tokuhan Tokyo Business Center in Adachi-ku, Tokyo
April 2020Established the Market Development Division and Construction Management Division.
Kousuke Terawaki became Chairman of Nihon Densho.
Kazuaki Yamanaka became President of Nihon Densho.
January 2021Osaka FA Sales Office, Minami Sales Office, Housing Electrical Materials Kansai Sales Office, FA Business Center, Sales Support Center
Construction Management Division,Overseas Procurement Division,Market Development Division,
was relocated (Hirano-ku, Osaka City).
April 2021The Tokuhan Business Center was renamed the Tokuhan Business Center West Japan, and the Tokuhan Tokyo Business Center was renamed the Tokuhan Business Center East Japan.
The Hiroshima Branch Office was upgraded to the Hiroshima Sales Office.
August 2021Relocation of Keihin Sales Office and Housing Electrical Materials Kanto Sales Office (Shinagawa-ku, Tokyo)
April 2022Opening of Matsuyama Sales Office in Matsuyama, Aichi
Disaster Prevention Business Center Kinki was renamed to Disaster Prevention Business Center Nishinihon.
Disaster Prevention Business Center Kanto was renamed to Disaster Prevention Business Center Higashi Nihon.
The Osaka FA Sales Office and Minami FA Sales Office were merged.
Kansai FA the first sales office ,kansai the first sale scound sales office ,kansai the third sales office reorganization
Subsidiary Nihon Densho Vision Systems Co., Ltd. changed its name to V-MUST Co., Ltd. and relocated its head office (Yodogawa-ku, Osaka City).
May 2022Chuo Sales Office relocation (Minato-ku, Osaka)
Sales Planning Division opened (Kita-ku, Osaka)
March 2023Disaster Prevention Kanto Sales Office relocated (Yokohama City, Kanagawa Prefecture)
April 2023Disaster Prevention North Kanto Sales Office (Saitama City, Saitama Prefecture) and Tokyo FA Sales Office North Kanto Branch Office (Kuki City, Saitama Prefecture) opened.
October 2023Established Tokai Sales Office (Nagoya, Aichi Prefecture) and Chubu Development Section of Tokkan Development Group (Nagoya, Aichi Prefecture)
April 2024Opening of Tokyo Head Office (Shinagawa-ku), Disaster Prevention Kyushu Sales Office (Hakata-ku), and East Japan Product Center (Arakawa-ku)
Tokyo FA sales office, tokyo sales office , kyohan sales office ,Tokuhan business center higasi nihon ,Tokuhan development group capital development division
Relocated to (tokyo shinagawa)
The Disaster Prevention Higashi Sales Office and Disaster Prevention Nishi Sales Office were merged, followed by the opening of the Disaster Prevention Kansai Sales Office.
May 2024Disaster Prevention Kansai Sales Office building completed in Higashi, Mikuriyahigashi, Osaka
October 2024Tokuhan Sales Office and Tokuhan Business Center Nishinihon were relocated to Tsurumi, Osaka.
Head Office,Sales planning group,housing electrical materials Kansai sales relocated to Osaka Chuoku