Stock listing
Tokyo Ohka Kogyo Co., Ltd.
Selected listing: 4186 · TSE · JPY · JP
Tokyo Ohka Kogyo Co., Ltd. (Tokyo:4186), Process Industries. Latest release Aug 6, 2026: Consolidated Financial Results for the Second Quarter (Interim)…

- Ticker
- Tokyo:4186
- Asset type
- Stock
- Sector
- Process Industries
- Industry
- Chemicals: Major Diversified
- Exchange
- Tokyo
- Currency
- JPY
About Tokyo Ohka Kogyo Co., Ltd.
Tokyo Ohka Kogyo Co., Ltd. is a public company listed on the Japanese stock market under the ticker 4186. Tokyo Ohka Kogyo specializes in the production of photomasks and other materials used in the semiconductor and electronics industries.
Latest news from Tokyo Ohka Kogyo Co., Ltd.
Consolidated Financial Results for the Second Quarter (Interim) of the Fiscal Year Ending December 31, 2026 [J-GAAP]
August 6, 2026
Notice on Revisions of Forecasts
July 30, 2026
IRRESISTIBLE MATERIALS AND TOKYO OHKA KOGYO CO., LTD. (TOK) ANNOUNCE STRATEGIC INVESTMENT AND JOINT DEVELOPMENT PARTNERSHIP TO ADVANCE EUV LITHOGRAPHY
February 23, 2026
Tokyo Ohka Kogyo : Consolidated Financial Results for the Fiscal Year Ended December 31, 2025(416.47 KB)
February 9, 2026
Tokyo Ohka Kogyo : Consolidated Financial Results for the Third Quarter of the Fiscal Year Ending December 31, 2025(273.81 KB)
November 11, 2025
Research Tokyo Ohka Kogyo Co., Ltd.
Tokyo Ohka Kogyo Co., Ltd. company profile
View the public company page for Tokyo Ohka Kogyo Co., Ltd. on 6ix.
Tokyo Ohka Kogyo Co., Ltd. news
Read company news and market updates connected to Tokyo Ohka Kogyo Co., Ltd..
Tokyo Ohka Kogyo Co., Ltd. investor events
Find investor webinars, events, and replay context for Tokyo Ohka Kogyo Co., Ltd..