Hiroki Hanawa

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device
- Patent number 7,548,219
- Issue date Jun 16, 2009
- Seiko Instruments Inc.
- Tsutomu Matsuhira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Display device and electronic device using the same
- Patent number 7,474,274
- Issue date Jan 6, 2009
- Seiko Instruments Inc.
- Tsutomu Matsuhira
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device
- Patent number 7,453,543
- Issue date Nov 18, 2008
- Seiko Instruments Inc.
- Tsutomu Matsuhira
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Display device and electronic device using the same
- Publication number 20050174300
- Publication date Aug 11, 2005
- Tsutomu Matsuhira
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Display device
- Publication number 20050088364
- Publication date Apr 28, 2005
- Tsutomu Matsuhira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Display device
- Publication number 20040263759
- Publication date Dec 30, 2004
- Tsutomu Matsuhira
- G02 - OPTICS