Toshihiko Tsuchihashi

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Matsumoto-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device and electronic equipment having the same comprising...
- Patent number 7,268,841
- Issue date Sep 11, 2007
- Seiko Epson Corporation
- Yasushi Kasajima
- G02 - OPTICS
Information Patent Grant
Display device, electronic apparatus using the same, and light guid...
- Patent number 6,630,968
- Issue date Oct 7, 2003
- Seiko Epson Corporation
- Toshihiko Tsuchihashi
- G02 - OPTICS
Information Patent Grant
Display device and electronic apparatus using the same
- Patent number 6,359,668
- Issue date Mar 19, 2002
- Seiko Epson Corporation
- Chiyoaki Iijima
- G02 - OPTICS
Information Patent Grant
Display device with liquid crystal between reflective polarizers, a...
- Patent number 6,246,455
- Issue date Jun 12, 2001
- Seiko Epson Corporation
- Chiyoaki Iijima
- G02 - OPTICS
Information Patent Grant
Display device and electronic apparatus using the same having a ref...
- Patent number 6,233,029
- Issue date May 15, 2001
- Seiko Epson Corporation
- Chiyoaki Iijima
- G02 - OPTICS
Information Patent Grant
Display device and electronic apparatus comprising the same
- Patent number 6,118,504
- Issue date Sep 12, 2000
- Seiko Epson Corporation
- Chiyoaki Iijima
- G02 - OPTICS
Information Patent Grant
Liquid crystal device and electronic equipment using the same
- Patent number 5,838,408
- Issue date Nov 17, 1998
- Seiko Epson Corporation
- Yasuyuki Inoue
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Display device and electronic equipment having the same
- Publication number 20040125430
- Publication date Jul 1, 2004
- Yasushi Kasajima
- G02 - OPTICS
Information Patent Application
Display device, electronic apparatus using the same and light guide...
- Publication number 20030081151
- Publication date May 1, 2003
- Toshihiko Tsuchihashi
- G02 - OPTICS