Toru Yagasaki

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Suwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface-type illumination device and liquid crystal display
- Patent number 6,108,060
- Issue date Aug 22, 2000
- Seiko Epson Corporation
- Tatsuaki Funamoto
- G02 - OPTICS
Information Patent Grant
Surface-type illumination device and liquid crystal display
- Patent number 5,949,505
- Issue date Sep 7, 1999
- Seiko Epson Corporation
- Tatsuaki Funamoto
- G02 - OPTICS
Information Patent Grant
Surface-type illumination device and liquid crystal display
- Patent number 5,619,351
- Issue date Apr 8, 1997
- Seiko Epson Corporation
- Tatsuaki Funamoto
- G02 - OPTICS