Toshihiko Sano

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Ome, JP

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Patents Grantslast 30 patents

Information Patent Grant
Back-light device
- Patent number 4,916,580
- Issue date Apr 10, 1990
- Hitachi, Ltd.
- Toshihiko Sano
- G02 - OPTICS
Information Patent Grant
Fluorescent lamp arrangement for uniformly illuminating a display p...
- Patent number 4,803,399
- Issue date Feb 7, 1989
- Hitachi, Ltd.
- Soichiro Ogawa
- G02 - OPTICS
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Back light device for uniformly illuminating a liquid crystal displ...
- Patent number 4,766,524
- Issue date Aug 23, 1988
- Hitachi, Ltd.
- Soichiro Ogawa
- G02 - OPTICS