Manufacturing phosphorus products in Toyama for nearly a century,Company Overview

Company OverviewPrint this category

Trade name RIN KAGAKU KOGYO Co., Ltd.
Business description Manufacturing and selling phosphorus products
Founded November, 1926
Location of head office and plant 34 Shinbori, Imizu-shi, Toyama
934-8534, Japan
Phone: +81-766-86-2511
Fax: +81-766-86-1178
Location of Tokyo sales office 5F Shiba Koen ND Building
2-5-10 Shiba, Minato-ku, Tokyo
105-0014, Japan
Phone: +81-3-5446-2839
Fax: +81-3-5446-5571
Capital ¥120 million
Shareholder Tosoh Corporation
Board of Directors Representative Director, President   OTSUKA Hajime
Managing Director   INAO Yoshikazu
Director   UEDA Yasuo
Director   IDO Katsuyuki
Director   OMICHI Nobukatsu
Auditor    NAGAYAMA Shinichiro
Number of employees 91 (as of June 2021)
Bank of account First Bank of Toyama, Shoko Chukin Bank

HistoryPrint this category

1926 Company founded in Toyama City as the Kanayama Denka Kogyosho Limited Partnership.
1943 Company name changed to the current name: RIN KAGAKU KOGYO Co., Ltd.
Started manufacturing phosphoric acid
1949 First company in Japan to succeed in industrially manufacturing condensed phosphate
1976 Started manufacturing red phosphorus fire retardants
1980 Relocated from Toyama City to Shinminato City (now known as Imizu City)
1990 Concluded a capital alliance with Tosoh Corporation
1995 Started manufacturing high purity phosphoric acid
1997 Acquired ISO9001 certification
2002 Worked to increase production capacity for red phosphorus fire retardants
2004 Acquired ISO14001 certification
2005 Worked to increase production capacity for high purity phosphoric acid
2013 Registered as a food additive GMP certification system
2018 Worked to increase production capacity for high purity phosphoric acid

VisionPrint this category

Contributing to the creation of rich lives, as a pioneer and an expert

Rin Kagaku Kogyo has carved out a history as a pioneer in the production of phosphorus products.
In the future we will continue to respond to users’ needs as an expert in the safe handling of phosphorus products and aim for harmony between people, community and the environment – as we strive to be a company that grows together with its stakeholders, including customers, business partners and employees – with excellent products and services.

As a pioneer in phosphorus products Harmony with the environment:People・Community・Employees Growing together with stakeholders:Customers・Business partners・Employees

Organizational chartPrint this category


Organizational chart Board of Directors President Administration Sales & Marketing Technical Deveropment Dept. Development Group Engineering Group Environment Safty & Quality Control Quality Contorl Dept. Quality Analysis Environment Protection 5S Promotion Group Production Dept. Production Section First Production Subsection Second Production Subsection Third Production Subsection Facility Management Compliance Committee Security Export Control Committee