Overview & Locations

Overview
Company name
PS Japan Corporation
Main business
R&D, production and sale of polystyrene resins
Head office
18F, Sumitomo Fudosan Korakuen Bldg.
1-4-1 Koishikawa, Bunkyo-ku,
Tokyo 112-0002 Japan
Tel: +81-3-5689-6543 Fax: +81-3-5689-6544
Net sales
¥68 billion (FY 2024)
Paid-in capital
¥5 billion
Shareholders
Asahi Kasei Corp. 62.07%
Idemitsu Kosan Co.,Ltd. 37.93%
Number of employees
approximately 130
Executives
President Ippei Araya
Director and Vice President Satoshi Takeuchi
Managing Director Kunitake Nakaoka
Director Fumiki Murakami
Director Kenta Shirai
Director Yuki Arao
Auditor Masahiro Abe
Auditor Masashi Ichinari
Executive Officer Noritaka Tanimura
Executive Officer Toshihito Kita
Executive Officer Keiichi Ito
Establishment
April 2003
Brand
PSJ-POLYSTYRENE
Locations
Head Office
18F, Sumitomo Fudosan Korakuen Bldg.
1-4-1 Koishikawa, Bunkyo-ku,
Tokyo 112-0002 JapanTel: +81-3-5689-6543 
Fax: +81-3-5689-6566
Research and
Development Dept.
1-3-1 Yako, Kawasaki,
Kanagawa 210-0863 Japan
Chiba Plant
5-1 Nakasode, Sodegaura,
Chiba 299-0297 JapanGooglemap
Mizushima Plant
3-13 Ushiodori, Kurashiki,
Okayama 712-8633 JapanGooglemap