Toshiaki Sasaki

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Discharge lamp ballast, lighting system and projector
- Patent number 7,692,391
- Issue date Apr 6, 2010
- Panasonic Electric Works Co., Ltd.
- Katsuyoshi Nakada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp ballast and projector
- Patent number 7,622,869
- Issue date Nov 24, 2009
- Panasonic Electric Works Co., Ltd.
- Koji Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Discharge lamp lighting device, illumination device, and projector
- Patent number 7,511,432
- Issue date Mar 31, 2009
- Panasonic Electric Works Co., Ltd.
- Koji Watanabe
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Device for turning on high-pressure discharge lamp and lighting app...
- Patent number 7,432,670
- Issue date Oct 7, 2008
- Matsushita Electric Works, Ltd.
- Koji Yamashita
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Discharge Lamp Ballast, Lighting System and Projector
- Publication number 20080218094
- Publication date Sep 11, 2008
- Katsuyoshi Nakada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Discharge lamp ballast and projector
- Publication number 20070164687
- Publication date Jul 19, 2007
- MATSUSHITA ELECTRIC WORKS, LTD.,
- Koji Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Device for turning on hgh-pressure discharge lamp and lighting appa...
- Publication number 20070063659
- Publication date Mar 22, 2007
- MATSUSHITA ELECTRIC WORKS, Ltd.
- Koji YAamashita
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Discharge lamp lighting device, illumination device, and projector
- Publication number 20060055341
- Publication date Mar 16, 2006
- MATSUSHITA ELECTRIC WORKS, Ltd.
- Koji Watanabe
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR