Masashi Hirabayashi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-guiding plate, lighting device and display device
- Patent number 7,726,864
- Issue date Jun 1, 2010
- Fujitsu Limited
- Yasushi Hara
- G02 - OPTICS
Information Patent Grant
Light-guiding plate, lighting device and display device
- Patent number 7,478,937
- Issue date Jan 20, 2009
- Fujitsu Limited
- Yasushi Hara
- G02 - OPTICS
Information Patent Grant
Light-guiding plate, lighting device and display device
- Patent number 7,356,239
- Issue date Apr 8, 2008
- Fujitsu Limited
- Yasushi Hara
- G02 - OPTICS
Information Patent Grant
Light-guiding plate, lighting device and display device
- Patent number 6,974,241
- Issue date Dec 13, 2005
- Fujitsu Limited
- Yasushi Hara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Light-guiding plate, lighting device and display device
- Publication number 20050180166
- Publication date Aug 18, 2005
- Fujitsu Limited
- Yasushi Hara
- G02 - OPTICS
Information Patent Application
Light-guiding plate, lighting device and display device
- Publication number 20050180720
- Publication date Aug 18, 2005
- Fujitsu Limited
- Yasushi Hara
- G02 - OPTICS
Information Patent Application
Light-guiding plate, lighting device and display device
- Publication number 20050180719
- Publication date Aug 18, 2005
- Fujitsu Limited
- Yasushi Hara
- G02 - OPTICS
Information Patent Application
Light-guiding plate, lighting device and display device
- Publication number 20040130882
- Publication date Jul 8, 2004
- FUJITSU LIMITED
- Yasushi Hara
- G02 - OPTICS