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Tokyo Ohka Kogyo Co., Ltd. is a Japanese company that specializes in the development and manufacturing of high-precision chemical products and equipment used in the semiconductor industry. The company is renowned for its photoresists and photolithography-related chemicals, essential materials in the fabrication of semiconductor devices. TOK's product lineup also includes coating, developing, and vacuum UV hardening machines, as well as materials and equipment used in the production of MEMS, image sensors, LCD and OLED panels, and advanced semiconductor packaging. TOK's technologies are applied across a variety of industries, including mobile devices, personal computers, automotive electronics, and renewable energy. The company is headquartered in Kawasaki, Japan, and its shares are listed on the Tokyo Stock Exchange.
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Ticker symbol
4186
Country
🇯🇵 Japan