Norihisa Usui

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ultraviolet ray emitting apparatus and electronic apparatus using u...
- Patent number 7,095,463
- Issue date Aug 22, 2006
- Casio Computer Co., Ltd.
- Norihisa Usui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic apparatus and liquid crystal display device for irradiat...
- Patent number 6,806,644
- Issue date Oct 19, 2004
- Casio Computer Co., Ltd.
- Masato Ueno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display device having a display plate with a plurality of openings...
- Patent number 6,020,943
- Issue date Feb 1, 2000
- Casio Computer Co., Ltd.
- Hiroyuki Sonoda
- G02 - OPTICS
Information Patent Grant
Display device with display plate having metal upper suface includi...
- Patent number 5,880,796
- Issue date Mar 9, 1999
- Casio Computer Co., Ltd.
- Hiroyuki Sonoda
- G02 - OPTICS
Information Patent Grant
Battery-powered type compact electronic equipment
- Patent number 4,817,065
- Issue date Mar 28, 1989
- Casio Computer Co., Ltd.
- Norihisa Usui
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
Illumination device including ultraviolet emitting element, and an...
- Publication number 20060164821
- Publication date Jul 27, 2006
- CASIO COMPUTER CO., LTD.
- Norihisa Usui
- G04 - HOROLOGY
Information Patent Application
Ultraviolet ray emitting apparatus and electronic apparatus using u...
- Publication number 20030042847
- Publication date Mar 6, 2003
- CASIO COMPUTER CO., LTD.
- Norihisa Usui
- G04 - HOROLOGY
Information Patent Application
Electonic apparatus and liquid crystal display device for irradiati...
- Publication number 20030016315
- Publication date Jan 23, 2003
- CASIO COMPUTER CO., LTD.
- Masato Ueno
- G04 - HOROLOGY