Kunio Itoh

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photoresist processing solution with quaternary ammonium hydroxide
- Patent number 4,729,941
- Issue date Mar 8, 1988
- Hoechst Japan Kabushiki Kaisha
- Kunio Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY