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Corporate Profile

Founded February 23, 1998
 Capital JPY 900 mil (Sumitomo Corporation 100% share)
Sales JPY 178.9billion (fiscal year 2019) Employees 263 (as of March 31, 2020)
Executive Officers
President Rei Ito
Representative Director, Managing Executive Officer Tetsuya Sakakibara General Manager, Administrative Office
Director, Managing Executive Officer Shin Yoneyama Managing Executive Officer in charge of Plastics Business Unit and Electronic Materials Business Unit
Director, Managing Executive Officer Satoshi Miwa Managing Executive Officer in charge of Organic Chemicals Business Unit and Functional Chemicals Business Unit
Director (part time) Naruyuki Ando (Sumitomo Corporation, General Manager, Basic Chemicals & Electronics Division)
Director (part time) Takanori Kagohashi (Sumitomo Corporation, General Manager, Basic Chemicals & Electronics Division)
Audit & Supervisory Board Member Atsushi Maekawa
Audit & Supervisory Board Member (part time) Yoshiaki Tanaka (Sumitomo Corporation, General Manager, Accounting Dept., Mineral Resources, Energy, Chemical & Electronics Business Unit)
Managing Executive Officer Okura Yoshinari Environment Management Business Dept
Executive Officer Toshiyuki Sugiyama General Manager, Organic Chemicals Business Unit
Executive Officer Masayoshi Kobayashi Assistant General manager,Business Improvement Promotion & Supporting Dept, Administrative Office
Executive Officer Shinichi Asahina General Manager, Electronics Materials Business Unit
Executive Officer Naonobu Oki General Manager, Functional Chemicals Business Unit
Executive Officer Hideyuki Sasa General Manager, Kansai Office
Executive Officer Hidenori Eto General Manager,Nagoya Office
Executive Officer Takeshi Mutoh General Manager,Plastics Business Unit
Offices
Headquarters 8F, Sumitomo Shoji Takebashi Bldg., 2-2, Hitotsubashi 1-Chome, Chiyoda-ku, Tokyo 100-0003
Tel : +81-3-5220-8200
Map
Kansai Office 7F, Sumitomo Bldg., 5-33, Kitahama 4-Chome, Chuo-ku, Osaka-shi, Osaka 541-8576
Tel : +81-6-6105-4000
Map
Nagoya Office 44F, JR Gate Tower, 1-3, Meieki 1-Chome, Nakamura-ku, Nagoya-shi, Aichi 450-6644
Tel : +81-52-583-2180
Map
Hiroshima Office 10F, Ginsen Hiroshima Bldg., 3-2, Kamiyacho 1-chome, Naka-ku, Hiroshima-shi, Hiroshima 730-0031
Tel : +81-82-248-8393
Map

History

■ = Sumitomo Shoji Chemicals Co., Ltd.
Year / month Sumitomo Shoji Chemicals Co., Ltd.  
July, 1968 Sumisho Chemicals & Plastics, Inc. was fully founded by Sumitomo Corporation.  
April, 1992 Merged Tokyo Sumisho Polymer Technics K. K. and Osaka Sumisho Polymer Technics K. K.

Tokyo Sumisho Polymer Technics K.K. and Osaka Sumisho Polymer Technics K.K.
February, 1998 Sumitomo Shoji Plastics Co., Ltd. was fully founded by Sumitomo Corporation (capital JPY 450 mil)  
April, 1998 Acquired plastics sales business from Sumisho Chemicals & Plastics, Inc. Sumisho Chemicals & Plastics, Inc. divested plastics sales business
April, 1999 Sumitomo Shoji Chemicals Co., Ltd. acquired chemical business excluding agro chemicals from Sumisho Specialty Chemicals International Co., Ltd.
August, 1999 Sumitomo Shoji Plastics Co., Ltd. increased JPY 900 mil in capital.  
May, 2001 Headquarters relocated to Harumi Island Triton Square  
July, 2002 Sumitomo Shoji Plastics Co., Ltd. merged Sumisho Plaschem Co., Ltd. Sumisho Plaschem Co., Ltd.
July, 2004 Sumitomo Shoji Plastics Co., Ltd. acquired organic chemical business from Sumitomo Shoji Chemicals Co., Ltd. Sumitomo Shoji Chemicals Co., Ltd. divested organic chemical business
July, 2005   Sumitomo Shoji Chemicals Co., Ltd. acquired chemical business from Sumisho Medichem Co., Ltd.
October, 2005 Sumitomo Shoji Plastics Co., Ltd. merged Sumitomo Shoji Chemicals Co., Ltd. and Sumisho Chemicals & Plastics Nagoya Co., Ltd.
Sumitomo Shoji Plastics Co., Ltd. changed its trade name to Sumitomo Shoji Chemicals Co., Ltd. 		Sumitomo Shoji Chemicals Co., Ltd.
Sumisho Chemicals & Plastics Nagoya Co., Ltd.
April, 2008 Sumitomo Shoji Chemicals Co., Ltd. acquired electronics device business from Sumitronics Corporation Sumitoronics Corporation divested electronics device business.
April, 2018 Sumitomo Shoji Chemicals Co., Ltd. merged Soda Ash Japan Co., Ltd. Soda Ash Japan Co., Ltd.
May, 2018 Headquarters relocated to Sumitomo Shoji Takebashi Bldg.  
Organization Chart
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  • Headquarters

    Headquarters map

    8F, Sumitomo Shoji Takebashi Bldg., 2-2, Hitotsubashi 1-Chome, Chiyoda-ku, Tokyo 100-0003

    Tokyo Metro Tozai Line (T08) “Takebashi” Exit [1B]
    Tokyo Metro Hanzomon Line (Z07), Toei Mita Line (I10) and Toei Shinjuku Line (S06) “Jimbocho” Exit [A8]

    Tel : +81-3-5220-8200

    Google map

  • Kansai Office

    Kansai Office map

    7F, Sumitomo Bldg., 5-33, Kitahama 4-Chome, Chuo-ku, Osaka-shi, Osaka 541-8576

    Osaka Metro Midosuji Line (M17) “Yodoyabashi” Exit [4]

    Tel : +81-6-6105-4000

    Google map

  • Nagoya Office

    Nagoya Office map

    44F, JR Gate Tower, 1-3, Meieki 1-Chome, Nakamura-ku, Nagoya-shi, Aichi 450-6644

    JR “Nagoya” (directly connected)

    Tel : +81-52-583-2180

    Google map

  • Hiroshima Office

    Hiroshima Office map

    10F, Ginsen Hiroshima Bldg., 3-2, Kamiyacho 1-chome, Naka-ku, Hiroshima-shi, Hiroshima 730-0031

    Hiroshima Electric Railway “Kamiyacho-higashi”
    ASTRAM Line “Hondori”
    Bus “Kamiyacho”

    Tel : +81-82-248-8393

    Google map

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