Ryuji Kurihara

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Kamakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Circuit board and image display apparatus
- Patent number 8,153,903
- Issue date Apr 10, 2012
- Hitachi, Ltd.
- Akihiko Kanouda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Projector light source and projection type image display device usi...
- Patent number 7,695,160
- Issue date Apr 13, 2010
- Hitachi, Ltd.
- Koji Hirata
- F21 - LIGHTING
Information Patent Grant
Light source for projector and projection type image display appara...
- Patent number 7,357,537
- Issue date Apr 15, 2008
- Hitachi, Ltd.
- Nobuo Masuoka
- F21 - LIGHTING
Information Patent Grant
Projector light source and projection type image display device usi...
- Patent number 7,316,487
- Issue date Jan 8, 2008
- Hitachi, Ltd.
- Koji Hirata
- F21 - LIGHTING
Information Patent Grant
Lamp operation controller and controlling method of lamp operation
- Patent number 7,274,157
- Issue date Sep 25, 2007
- Hitachi, Ltd.
- Koji Hirata
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light source for projector and projection type image display appara...
- Patent number 6,863,418
- Issue date Mar 8, 2005
- Hitachi, Ltd.
- Nobuo Masuoka
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Circuit Board and Image Display Apparatus
- Publication number 20090145637
- Publication date Jun 11, 2009
- Akihiko KANOUDA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Projector light source and projection type image display device usi...
- Publication number 20070236669
- Publication date Oct 11, 2007
- Hitachi, Ltd
- Koji Hirata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Lamp operation controller and controlling method of lamp operation
- Publication number 20060012316
- Publication date Jan 19, 2006
- Koji Hirata
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Light source for projector and projection type image display appara...
- Publication number 20060007410
- Publication date Jan 12, 2006
- Hitachi, Ltd
- Nobuo Masuoka
- F21 - LIGHTING
Information Patent Application
Projector light source and projection type image display device usi...
- Publication number 20050122724
- Publication date Jun 9, 2005
- Hitachi, Ltd
- Koji Hirata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light source for projector and projection type image display appara...
- Publication number 20030086271
- Publication date May 8, 2003
- Hitachi, Ltd
- Nobuo Masuoka
- F21 - LIGHTING