Kazuhito Sasaki

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Kawasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Positive resist composition for immersion exposure and method of fo...
- Patent number 7,968,269
- Issue date Jun 28, 2011
- Tokyo Ohka Kogyo Co., Ltd.
- Kazuhito Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Negative resist composition and method of forming resist pattern
- Patent number 7,598,017
- Issue date Oct 6, 2009
- Tokyo Ohka Kogyo Co., Ltd.
- Jun Iwashita
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Resist composition, multilayer body, and method for forming resist...
- Patent number 7,544,460
- Issue date Jun 9, 2009
- Tokyo Ohka Kogyo Co., Ltd.
- Hideo Hada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positive-working photoresist composition
- Patent number 6,749,989
- Issue date Jun 15, 2004
- Tokyo Ohka Kogyo Co., Ltd.
- Hideo Hada
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
POSITIVE RESIST COMPOSITION FOR IMMERSION EXPOSURE AND METHOD OF FO...
- Publication number 20100196823
- Publication date Aug 5, 2010
- Tokyo Ohka Kogyo Co., Ltd.
- Kazuhito Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NEGATIVE RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
- Publication number 20090111054
- Publication date Apr 30, 2009
- Tokyo Ohka Kogyo Co., Ltd.
- Jun Iwashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Resist composition, multilayer body, and method for forming resist...
- Publication number 20060154174
- Publication date Jul 13, 2006
- Tokyo Ohka Kogyo Co., Ltd.
- Hideo Hada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Positive-working photoresist composition
- Publication number 20020068238
- Publication date Jun 6, 2002
- Hideo Hada
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC