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Corporate Profile

Founded February 23, 1998 Capital JPY 956,176,020 (Sumitomo Corporation 100% share)
Sales JPY 223.6bilion (FY2024) Number of Employees 302 (as of March 31, 2025)
Executive Officers
Representative Director, Executive President Naruyuki Ando
Director, Managing Executive Officer Yoshiro Taira In charge of Corporate Officer and General Manager of Administrative Office
Director, Managing Executive Officer Daisuke Fukami In charge of Plastics Business Unit, Organic Chemicals Business Unit, Inorganic Chemicals Business Unit, Green Chemicals Business Unit
Director (part time) Takanori Kagohashi
Director (part time) Takuya Mihira
Director (part time) Kentaro Hori
Audit & Supervisory Board Member Hidenori Eto
Audit & Supervisory Board Member (part time) So Matsuoka
Managing Executive Officer Shinichi Asahina In charge of Functional Chemicals Business Unit & General Manager of Functional Chemicals Business Unit, In charge of Operations Management Unit
Managing Executive Officer Shin Udatsu In charge of Semiconductor & Battery Materials Business Unit, Electronic & Functional Materials Business Unit & General Manager of Semiconductor & Battery Materials Business Unit
Executive Officer Toshiyuki Sugiyama Assistant to the officer in charge of Plastics Business Unit, Organic Chemicals Business Unit, Inorganic Chemicals Business Unit,
Green Chemical Business Unit
Executive Officer Masayoshi Kobayashi Assistant to Corporate Executive Officer
Executive Officer Takeshi Mutoh Assistant to General Manager, Plastics Business Unit & General Manager, Kansai Office
Executive Officer Hideyuki Imamura Worked for Sumitronics Taiwan Co.,Ltd.
Executive Officer Ken Iwasaki General Manager, Green Chemical Business Unit
Executive Officer Osamu Murayama 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.
Sumitomo Shoji Chemicals Co.,Ltd took over the Nagoya Plastics and Hiroshima Chemicals businesses split from Sumitomo Corpration “Simple Absorption-Typr Split”.		 Soda Ash Japan Co., Ltd.
Sumitomo Corpration`s Nagoya Plastics & Hiroshima Chemicals businesses.
May, 2018 Headquarters relocated to Sumitomo Shoji Takebashi Bldg.  
October, 2023 Sumitomo Shoji Chemicals Co.,Ltd took over part of the trading busuness of the Inorganic Chemical & Electronics Functional Materials Busuness split from Sumitomo Corpration “Simple Absorption-Typr Split”. Part of the Sumitomo Corpration`s Inorganic Chemcals and Electronic Functional Materials businesses.
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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