Masaaki Kudo

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Copolymer and composition for semiconductor lithography and process...
- Patent number 8,859,180
- Issue date Oct 14, 2014
- Maruzen Petrochemical Co., LTD
- Tomo Oikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymer for semiconductor lithography and process for producing t...
- Patent number 7,960,494
- Issue date Jun 14, 2011
- Maruzen Petrochemical Co., LTD
- Takanori Yamagishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Soluble polyimide resin, process for preparing the same, and polyim...
- Patent number 6,100,365
- Issue date Aug 8, 2000
- Toshihiko Matsumoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Copolymer and composition for semiconductor lithography and process...
- Publication number 20100062371
- Publication date Mar 11, 2010
- Tomo Oikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COPOLYMER FOR SEMICONDUCTOR LITHOGRAPHY AND PROCESS FOR PRODUCING T...
- Publication number 20090306328
- Publication date Dec 10, 2009
- MARUZEN PETROCHEMICAL CO., LTD.
- Takanori Yamagishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...