Corporate Data

  • Corporate Name
    Sumiko Resources Exploration & Development Co.,Ltd.
  • Address of Head Office
    8-21, Toranomon 3-Chome, Minato-Ku, Tokyo, Japan
  • Year of Foundation
    August 1st, 1963
  • Paid-up capital
    8 million yen
  • Representative
    Kazuya Sakano
  • Shareholder
    Sumitomo Metal Mining Co., Ltd.(100%)
  • Board of Directors
    President Kazuya Sakano
    Managing Director Masanori Fujisawa
    Directors Katsunori Suzuki
    Naoki Sato
    Kazuhiro Yamamoto
    Audit & Supervisory Board Member Koichi Uzawa
  • Number of Employees
    115 people
  • Our Banks
    Sumitomo Mitsui Banking Corporation
    The Bank of Tokyo-Mitsubishi UFJ, Ltd .
  • Permits, licenses, and registrations
    Geological surveyor registration Minister of Land, Infrastructure and Transport registration Shitsu-04 No. 146
    Surveyor registration Minister of Land, Infrastructure and Transport registration No. (15)-741
    Contractor's license Minister of Land, Infrastructure and Transport permit (Toku-2) No. 4335
    Civil engineering construction
    Scaffold/construction work
    Well drilling work
    Construction consultant registration Minister of Land, Infrastructure and Transport registration Ken-05 No. 10019
    Geology
    Soil and foundation

History

  • August 1963
    "Sumiko Consultant Co., Ltd." is established.
    Aims to be general consultant based on technology possessed in mining and civil engineering fields.
    Takeo Iwasawa installed as first president. Operations start with 7 personnel.
  • September 1986
    Headquarters move to Shinjuku Ward due to increase in personnel with business growth.
  • August 2001
    Headquarters move from Shinjuku Ward to Ikenohata in Taito Ward.
  • April 2002
    Takes charge of Hishikari-related business of Sumiko Development and Construction Co., Ltd.
  • October 2010
    Due to corporate split-up, Chi-ken Sogo Consultants Co., Ltd.takes over construction consultation operations.
  • November 2010
    Company name changes to "Sumiko Resources Exploration & Development Co., Ltd."
  • May 2013
    Headquarters move from Ikenohata, Taito Ward, to Toranomon, Minato Ward.
  • August 2013
    Company commemorates 50th anniversary.

Organizational chart