Tosoh Corp - Company Profile
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Tosoh Corp (Tosoh) is a manufacturer and seller of basic chemicals, specialty products, petrochemicals and fine chemicals for industry; specialty products and materials. The company's main activities include the manufacturing and sale of olefin products, caustic soda, vinyl chloride monomer, and various functional materials. The company’s product portfolio includes olefins, polyethylene, functional polymers, cement, caustic soda, inorganic and organic fine chemicals, measuring and diagnostic products, functional materials and urethane materials. It also offers services such as product delivery and logistics, technical support services, and engineering and maintenance services. The company offers its products under the brand Ryuron, Toyocat, Zeolum, Petcoal, Niclon, Toyopearl, and TRCRapid, among others. Tosoh's products serve a diverse range of industries, chemical, petrochemical, construction, automotive, consumer electronics, information technology, bioscience for manufacturing and diagnostic applications. The company has a presence across Asia, North America, and Europe. Tosoh is headquartered in Minato-ku, Tokyo, Japan.
Headquarters
Japan
Address
Yaesu Central Tower, Tokyo Midtown Yaesu, 2-2-1, Yaesu, Chuo-Ku, 104-8467
Website
www.tosoh.co.jp
Telephone
81 834 639801
No of Employees
14,850
Industry
Chemicals
Ticker Symbol & Exchange
4042 (TYO)
Revenue (2025)
$6.6B
-4.1%
(2025 vs 2024)
EPS
XYZ
Net Income (2025)
XYZ
-28.3%
(2025 vs 2024)
Market Cap*
$5.3B
Net Profit Margin (2025)
XYZ
-25.1%
(2025 vs 2024)
* As of and is in US$
Tosoh Corp premium industry data and analytics
Products and Services
| Products | Services | Brands |
|---|---|---|
| Advanced Materials: | Services | AIA |
| Fabricated Quartzware | Engineering and Construction Services | Ryuron |
| Silica Glass | Logistics Services | Toyocat |
| XYZ | XYZ | XYZ |
| XYZ | XYZ | XYZ |
| XYZ | XYZ | XYZ |
History
History section provides information on new products, mergers, acquisitions, expansions, approvals, and many more key events.
| Year | Event | Description |
|---|---|---|
| 2025 | Contracts/Agreements | In April, the company partnered with Keio University to advance the commercialization of innovative photonics polymers for enhanced optical applications. |
| 2024 | Others | In August, the company announced to partner with Hitachi High-Tech Corporation to enhance sales of biochemistry and immunology transport systems in the domestic clinical testing market. |
| 2024 | Contracts/Agreements | In June, Tosoh Vietnam Polyurethane Co. awarded an order to JFE Engineering Corporation for the engineering, procurement, and construction of a crude MDI distillation and separation facility in Vietnam. |
Competitor Comparison
| Key Parameters | Tosoh Corp | Sumitomo Chemical Co Ltd | UBE Corp | Tokuyama Corp | Nippon Soda Co Ltd |
|---|---|---|---|---|---|
| Headquarters | Japan | Japan | Japan | Japan | Japan |
| City | Chuo-Ku | Tokyo | Minato-Ku | Chiyoda-Ku | Chiyoda-Ku |
| State/Province | Tokyo | Tokyo | Tokyo | Tokyo | Tokyo |
| No. of Employees | 14,850 | 27,491 | 7,968 | 6,390 | 2,407 |
| Entity Type | Public | Public | Public | Public | Public |
Key Financial Charts
Sales Growth
Net Income Growth
Executives
| Name | Position | Board | Since | Age |
|---|---|---|---|---|
| Mamoru Kuwata | Chief Executive Officer; Director; President | Executive Board | 2022 | 66 |
| Akihiro Yoshimizu | Director; Executive Vice President; President - Engineering Group; Senior General Manager, Technology Division | Executive Board | 2024 | 62 |
| Takafumi Kiuchi | Director; Executive Vice President | Executive Board | 2026 | 62 |
| Nobukatsu Ohmichi | Advanced Technologies Business Group; Director; Executive Vice President | Executive Board | 2025 | - |
| Yutaka Murata | Senior General Manager of Yokkaichi Complex; Senior Vice President | Senior Management | 2016 | - |
| Non Dignissim Eros | Proin vel | Convallis | 2026 | XY |
| Non Dignissim Eros | Proin vel | Convallis | 2026 | XY |
| Non Dignissim Eros | Proin vel | Convallis | 2026 | XY |
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