Sawako Chatani

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Port Washington, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Projection optical system, projection type image display apparatus,...
- Patent number 6,991,338
- Issue date Jan 31, 2006
- Canon Kabushiki Kaisha
- Toshihiro Sunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection optical system, projection type image display apparatus,...
- Patent number 6,984,044
- Issue date Jan 10, 2006
- Canon Kabushiki Kaisha
- Yoshiaki Kurioka
- G02 - OPTICS
Information Patent Grant
Projection optical system, projection type image display apparatus,...
- Patent number 6,951,395
- Issue date Oct 4, 2005
- Canon Kabushiki Kaisha
- Sawako Chatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Projection optical system, projection type image display apparatus,...
- Publication number 20040032571
- Publication date Feb 19, 2004
- Toshihiro Sunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Projection optical system, projection type image display apparatus,...
- Publication number 20040027662
- Publication date Feb 12, 2004
- Yoshiaki Kurioka
- G02 - OPTICS
Information Patent Application
Projection optical system, projection type image display apparatus,...
- Publication number 20040027544
- Publication date Feb 12, 2004
- Sawako Chatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE