Takayoshi Okada

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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 immersion lithography and compositions
- Patent number 8,211,615
- Issue date Jul 3, 2012
- Maruzen Petrochemical Co., LTD
- Takanori Yamagishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymer for semiconductor lithography and producing method thereo...
- Patent number 7,910,282
- Issue date Mar 22, 2011
- Maruzen Petrochemical Co., LTD
- Takanori Yamagishi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
COPOLYMER FOR SEMICONDUCTOR LITHOGRAPHY AND PRODUCING METHOD THEREO...
- Publication number 20100324245
- Publication date Dec 23, 2010
- MARUZEN PETROCHEMICAL CO., LTD.
- Takanori YAMAGISHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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 IMMERSION LITHOGRAPHY AND COMPOSITIONS
- Publication number 20100047710
- Publication date Feb 25, 2010
- MARUZEN PETROCHEMICAL CO., LTD.
- Takanori Yamagishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Copolymer For Semiconductor Lithography And Producing Method Thereo...
- Publication number 20080114139
- Publication date May 15, 2008
- MARUZEN PETROCHEMICAL CO., LTD.
- Takanori Yamagishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY