Toshitsugu Miyawaki

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light guide plate for a display panel having arcuate grooves formed...
- Patent number 7,663,713
- Issue date Feb 16, 2010
- Hitachi Displays, Ltd.
- Ken Saito
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 6,985,131
- Issue date Jan 10, 2006
- Hitachi, Ltd.
- Tomoaki Kawada
- G02 - OPTICS
Information Patent Grant
Liquid crystal display
- Patent number 6,530,671
- Issue date Mar 11, 2003
- Hitachi Electronic Devices Co. Ltd.
- Hitoshi Taniguchi
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device, light guide plate, and method for pr...
- Patent number 6,522,373
- Issue date Feb 18, 2003
- Hitachi, Ltd.
- Yasuo Hira
- G02 - OPTICS
Information Patent Grant
Liquid crystal display
- Patent number 6,334,689
- Issue date Jan 1, 2002
- Hitachi, Ltd.
- Hitoshi Taniguchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Display panel
- Publication number 20060114372
- Publication date Jun 1, 2006
- Ken Saito
- G02 - OPTICS
Information Patent Application
Liquid crystal display
- Publication number 20020085368
- Publication date Jul 4, 2002
- Hitoshi Taniguchi
- G02 - OPTICS
Information Patent Application
Liquid crystal display device
- Publication number 20020030650
- Publication date Mar 14, 2002
- Hitachi,Ltd.
- Tomoaki Kawada
- G02 - OPTICS