Eiichi Yanagi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Backlighting device
- Patent number 5,730,518
- Issue date Mar 24, 1998
- Tosoh Corporation
- Keiji Kashima
- G02 - OPTICS
Information Patent Grant
Backlighting device
- Patent number 5,442,523
- Issue date Aug 15, 1995
- Tosoh Corporation
- Keiji Kashima
- G02 - OPTICS
Information Patent Grant
Back lighting device for a panel
- Patent number 5,093,765
- Issue date Mar 3, 1992
- Tosoh Corporation
- Keiji Kashima
- G02 - OPTICS
Information Patent Grant
Back lighting device for a liquid crystal panel
- Patent number 4,937,709
- Issue date Jun 26, 1990
- Tosoh Corporation
- Eiichi Yanagi
- G02 - OPTICS