Yasuyuki Daigo

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plane light source apparatus, light guide plate and display
- Patent number 6,692,133
- Issue date Feb 17, 2004
- International Business Machines Corporation
- Yoshihiro Katsu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR CONTROLLING BACKLIGHT OUTPUT CHARACTERISTICS
- Publication number 20110261584
- Publication date Oct 27, 2011
- Gary T. Boyd
- G02 - OPTICS
Information Patent Application
Plane light source apparatus, light guide plate and display
- Publication number 20020015300
- Publication date Feb 7, 2002
- International Business Machines Corporation
- Yoshihiro Katsu
- G02 - OPTICS