Katsuhiro Ota

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for semiconductor apparatus including forming an insulator...
- Patent number 6,861,359
- Issue date Mar 1, 2005
- Renesas Technology Corp.
- Katsuhiro Ota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polishing slurry
- Patent number 6,758,872
- Issue date Jul 6, 2004
- Hitachi, Ltd.
- Katsuhiro Ota
- B24 - GRINDING POLISHING
Information Patent Grant
Process for fabricating a semiconductor device
- Patent number 6,656,021
- Issue date Dec 2, 2003
- Hitachi, Ltd.
- Katsuhiro Ota
- B24 - GRINDING POLISHING
Information Patent Grant
Method for polishing a semiconductor substrate member
- Patent number 6,656,022
- Issue date Dec 2, 2003
- Hitachi, Ltd.
- Katsuhiro Ota
- B24 - GRINDING POLISHING
Information Patent Grant
Semiconductor cleaning and production methods using a film repulsin...
- Patent number 6,029,679
- Issue date Feb 29, 2000
- Hitachi, Ltd.
- Katsuhiro Ota
- B08 - CLEANING
Information Patent Grant
Method of controlling adhesion of fine particles to an object in li...
- Patent number 5,409,544
- Issue date Apr 25, 1995
- Hitachi, Ltd.
- Katsuhiro Ota
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor apparatus and process for its production
- Publication number 20040026692
- Publication date Feb 12, 2004
- Katsuhiro Ota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for polishing a semiconductor substrate member
- Publication number 20020090894
- Publication date Jul 11, 2002
- Katsuhiro Ota
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process for fabricating a semiconductor device
- Publication number 20020034925
- Publication date Mar 21, 2002
- Katsuhiro Ota
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Polishing slurry
- Publication number 20020004360
- Publication date Jan 10, 2002
- Katsuhiro Ota
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...