Toshihiko Ozawa

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Saitama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for evaluating image formation performance
- Patent number 7,061,671
- Issue date Jun 13, 2006
- Nikon Corporation
- Toshihiko Ozawa
- G02 - OPTICS
Information Patent Grant
Method for evaluating image formation performance
- Patent number 6,870,668
- Issue date Mar 22, 2005
- Nikon Corporation
- Toshihiko Ozawa
- G02 - OPTICS
Information Patent Grant
Projection optical system and an exposure apparatus with the projec...
- Patent number 6,831,731
- Issue date Dec 14, 2004
- Nikon Corporation
- Yasuhiro Omura
- G02 - OPTICS
Information Patent Grant
Production method of projection optical system
- Patent number 6,788,389
- Issue date Sep 7, 2004
- Nikon Corporation
- Youhei Fujishima
- C30 - CRYSTAL GROWTH
Information Patent Grant
Projection exposure apparatus with a catadioptric projection optica...
- Patent number 6,661,499
- Issue date Dec 9, 2003
- Nikon Corporation
- Yasuhiro Omura
- G02 - OPTICS
Information Patent Grant
Projection exposure apparatus with a catadioptric projection optica...
- Patent number 6,466,303
- Issue date Oct 15, 2002
- Nikon Corporation
- Yasuhiro Omura
- G02 - OPTICS
Information Patent Grant
Exposure method and apparatus
- Patent number 5,739,898
- Issue date Apr 14, 1998
- Nikon Corporation
- Toshihiko Ozawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Projection optical system and an exposure apparatus with the projec...
- Publication number 20050122499
- Publication date Jun 9, 2005
- Nikon Corporation
- Yasuhiro Omura
- G02 - OPTICS
Information Patent Application
Method for evaluating image formation performance
- Publication number 20050018277
- Publication date Jan 27, 2005
- Nikon Corporation
- Toshihiko Ozawa
- G02 - OPTICS
Information Patent Application
Method for evaluating image formation performance
- Publication number 20050018278
- Publication date Jan 27, 2005
- Nikon Corporation
- Toshihiko Ozawa
- G02 - OPTICS
Information Patent Application
Projection optical system and an exposure apparatus with the projec...
- Publication number 20030058421
- Publication date Mar 27, 2003
- Nikon Corporation
- Yasuhiro Omura
- G02 - OPTICS
Information Patent Application
Production method of projection optical system
- Publication number 20030053036
- Publication date Mar 20, 2003
- Nikon Corporation
- Youhei Fujishima
- C30 - CRYSTAL GROWTH
Information Patent Application
Projection exposure apparatus with a catadioptric projection optica...
- Publication number 20030011756
- Publication date Jan 16, 2003
- Nikon Corporation
- Yasuhiro Omura
- G02 - OPTICS