Yu TSEWEI

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for removing organic cured film on substrate, and acidic cle...
- Patent number 11,222,781
- Issue date Jan 11, 2022
- Tokyo Ohka Kogyo Co., Ltd.
- Isao Hirano
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR REMOVING ORGANIC CURED FILM ON SUBSTRATE, AND ACIDIC CLE...
- Publication number 20190198314
- Publication date Jun 27, 2019
- Tokyo Ohka Kogyo Co., Ltd.
- Isao HIRANO
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...