Corporate Profile

Company Name: Tosoh Corporation
Headquarters: 3-8-2, Shiba, Minato-Ku, Tokyo 105-8623, Japan
Telephone:  +81 3 5427 5118 
Fax:  +81 3 5427 5198 
Date of Incorporation: February 11, 1935
President: Toshinori Yamamoto
Nature of Business: Manufacturing and sale of basic chemicals, petrochemicals, specialty products, fine chemicals
Turnover:  JPY 786.1 billion (fiscal 2020 consolidated net sales) 
Paid-in Capital:  JPY 55.2 billion 
Common Stock:  Authorized shares 900,000,000 
  Issued shares 325,080,956 
Shareholders:  32,446
Employees:  13,336 (consolidated)
Stock Ticker:  4042.T 
As of March 31, 2020

Tosoh is one of the largest chlor-alkali manufacturers in Asia, and supplies the plastic resins and an array of the basic chemicals that support modern life. Tosoh’s petrochemical operations supply ethylene, polymers, and polyethylene, while its advanced materials business serves the global semiconductor, display, and solar industries. 

Tosoh has pioneered sophisticated bioscience systems that are used for the monitoring of life threatening diseases, such as diabetes and certain cancers, and to prevent epidemics by identifying pathogenic microbes.

In addition, Tosoh develops products and provides services to purify water and to monitor the environment as part of a commitment to a sustainable future.

As Tosoh expands globally to meet the demands of evolving societies, it is creating new opportunities for an exciting future for people in a growing number of communities throughout the world.

Tosoh operations include a diverse portfolio of products and services separated into five business groups. 

  Polymers »
  Cement »
  Polyurethanes »
SPECIALTY GROUP Advanced Materials »
  Bioscience »
  Organic Chemicals »
ANCILLARY Analytic Services
  Information Technology
  Personnel Management

Fiscal 2020

(April 1, 2019 - March 31, 2020)

¥786.1 billion

¥81.6 billion

¥55.5 billion

¥29.6 billion



For more details please visit the Quarterly Earnings page.