Company ProfileAbout Us
Company profile
- Company name
- Polyplastics Co., Ltd.
- Establishment
- May 4, 1964 (Founded on June 26, 1962)
- Head office
- JR Shinagawa East Bldg., 18-1, Konan 2-chome, Minato-ku, Tokyo 108-8280, Japan
Location
- Phone / Fax no
- Phone: +81-3-6711-8600,
Fax: +81-3-6711-8606 - Representative
- Toshio Shiwaku, President and CEO
- Capital
- 3 billion yen
- Shareholders
- Business
- Manufacturing and selling of various types of engineering plastics and polymers
- Products
-
- Acetal copolymer (POM)
- Polybutylene terephthalate (PBT)
- Fiberglass Reinforced Polyethylene terephthalate (GF-PET)
- Liquid crystal polymer (LCP)
- Polyphenylene sulfide (PPS)
- Cyclic olefin copolymer (COC)
- Net sales (consolidated)
- 135,447 million yen (2019)
- Number of Polyplastics
Group Employees - 2,131 (March 2020)
Non-consolidated Basis
Officers
- Directors, Members of the Board
- Auditors
- Executive Officers
- Toshio Shiwaku
- Representative Director and President
- Yuki Yoneda
- Representative Director
- Hidekage Kojima*
- Director
- Yoshihiro Komachi*
- Director
- Noriaki Yokoo
- Corporate Auditor
- Yuji Iguchi
- Corporate Auditor (part-time)
- Shigeru Tazawa*
- Outside Corporate Auditor
- Chizuko Yamamoto*
- Outside Corporate Auditor
- CEO
-
Toshio Shiwaku
Responsible for Internal Audit Dept.
- Managing Executive Officer
-
Yuki Yoneda
General Manager of Corporate Support Div., Responsible for Risk Management and Corporate Compliance
- Managing Executive Officer
-
Masamichi Mitsuuchi
General Manager of Production Div., Representative Director of PTM Holdings, Inc., Responsible for PAP, PTW, PTM, PNL and PolyplaService Co., Ltd. and Safety and Environment
- Managing Executive Officer
-
Tohru Katsumata
General Manager of Research and Development Div., Responsible for Quality, Concurrently, the Chief of Technical Solution Center, from Nov. 1, 2020 to Feb. 28, 2021
- Managing Executive Officer
-
Takashi Miyamoto
General Manager of Marketing and Sales Div., Responsible for Selling Affiliates
- Managing Executive Officer
-
Masaaki Nakamura
General Manager of Supply Chain Div.
- Executive Officer
-
Kohji Ohishi
Chief of Production Technology Center, Respontible for LCPG
- Executive Officer
-
Mitsunori Matsushima
General Manager of Innovation and Business Development Div.
- Executive Officer
-
Hiroyuki Yazawa
Deputy General Manager of Marketing and Sales Div. and Chief of Japan Business Unit, Nagoya Branch Office Manager
- Executive Officer
-
Keisuke Gotoh
General Manager of Corporate Strategy Div., Responsible for TAP
- Advisor
-
Akihiro Izuka
Deputy General Manager of Research and Development Div., Responsible for Quality and Technology Impruvement
- Advisor
-
Yoshihisa Tajima
Deputy General Manager of Research and Development Div.
- Advisor
-
Masanori Sakano
Deputy General Manager of Marketing and Sales Div., Osaka Branch Office Manager
Effective on October 10, 2020
*Outside Director
Note: Abbreviated names for overseas group companies
Abbreviation, Official company name | Location of Head Office |
---|---|
PTM: PTM Engineering Plastics (Nantong) Co., Ltd. | China/Nantong |
PNL: Polyplastics (Nantong) Ltd. | China/ Nantong |
PAP: Polyplastics Asia Pacific Sdn. Bhd. | Malaysia/ Kuala Lumpur |
PTW: Polyplastics Taiwan Ltd. | Taipei |
LCPG: LCP Leuna Carboxylation Plant GmbH | Germany/ Saxony-Anhalt |
TAP: TOPAS Advanced Polymers GmbH | Germany/ Raunheim |
Organization ChartPrint (PDF) Organization chart

Affiliates Relationship DiagramPrint (PDF) Affiliates Relationship Diagram
- Asia Pacific
- Europe & Americas

