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Tokyo Ohka Kogyo Co., Ltd.

Tokyo Ohka Kogyo Co., Ltd. is a public company listed on the Japanese stock market under the ticker 4186. The company has a market capitalization of approximately 7.99 billion USD. Tokyo Ohka Kogyo specializes in the production of photomasks and other materials used in the semiconductor and electronics industries.

4186:TSEUpdated August 1, 2026
Tokyo Ohka Kogyo Co., Ltd. logo
Ticker
4186:TSE
Asset type
Stock
Market cap
$6.51B
Sector
Process Industries
Industry
Chemicals: Major Diversified
Exchange
TSE
Currency
JPY