Corporate Profile

Company Outline

Company Outline

Company Name



7th Floor, KYOBASHI TRUST TOWER 2-1-3 Kyobashi, Chuo-ku, Tokyo, Japan


June 19, 1914


August 15, 1917


2,122,953,550 yen (as of March 31, 2023)

Stock exchange

Tokyo Stock Exchange(Securities code:3878)

  • Market Segment:Standard
  • Industry:Chemicals
Fiscal year-end

March 31


Yoshio Inoue

Number of Employees

Consolidated : 1,285
Non-consolidated : 380
(as of March 31, 2023)

Main Activity of TOMOEGAWA GROUP

Manufacturing, processing, and sales of the following products.

  • Electronics Products
  • Display Parts
  • Fine Particles
  • Highly Functional Sheet
  • Speciality Paper

Core Technology to initiate and support our activity

  • Adhesion
  • Coating
  • Powder
  • Papermaking
  • Material Design
  • Analysis

Our main focus in R&D Activity

  • Fiber Optics
  • Environment
  • Energy
Registration number of qualified invoice issuer



Members of the Board

Position Name
President and Representative Director, Group CEO

Yoshio Inoue

Director, Senior Managing Executive Officer, Group CFO
COO of Corporate Strategy & Development Div.

Masaaki Yamaguchi

Director, Senior Managing Executive Officer, Group CTO
CEO of iCas Company

Yusuke Inoue

Director, Senior Managing Executive Officer, Group CSO, CPO
Quality Assurance Management Office, General Affairs & Compliance Office,
Human resources Office, Business Promotion Div. and Technical Div.

Harumasa Furutani


Ryuichi Hayashi

Outside Director

Jin Endo

Outside Director
Chairman of Audit & Supervisory Committee

Tetsuo Komori

Outside Director
Audit & Supervisory Committee Member

Masahiro Samejima

Outside Director
Audit & Supervisory Committee Member

Kenichiro Suzuki

Corporate Officer

Position Name
Senior Corporate Officer
Representative Director of TOMOEGAWA CONVERTING CO., LTD.

Hiroshi Kawashima

Corporate Officer
Vice President of iCas Company

Wataru Nakamoto

Corporate Officer
COO of Electronic Materials Div., iCas Company

Tsutomu Kurokoshi

Corporate Officer
CEO of Powder Technology Company

Jun Morimoto

Corporate Officer
Chief of Human resources Office

Daisuke Masukura

Corporate Officer
COO of Fiber Materials Div., iCas Company

Keiichiro Haji

Organization Chart

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