Yasuko Teragaki

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Gifu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Backlight apparatus and light guide plate
- Patent number 6,123,431
- Issue date Sep 26, 2000
- Sanyo Electric Co., Ltd.
- Yasuko Teragaki
- G02 - OPTICS
Information Patent Grant
Light guide plate and surface light source using the light guide plate
- Patent number 5,999,685
- Issue date Dec 7, 1999
- Sanyo Electric Co., Ltd.
- Youichiro Goto
- G02 - OPTICS
Information Patent Grant
Optical pick-up
- Patent number 5,598,394
- Issue date Jan 28, 1997
- Sanyo Electric Co., Ltd.
- Katsutoshi Hibino
- G11 - INFORMATION STORAGE