Yukio Inagaki

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Backlighting device with a transparent sheet having straight ridges
- Patent number 5,735,590
- Issue date Apr 7, 1998
- Tosoh Corporation
- Keiji Kashima
- G02 - OPTICS
Information Patent Grant
Backlighting device
- Patent number 5,521,797
- Issue date May 28, 1996
- Tosoh Corporation
- Keiji Kashima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS