Yoichi Igarashi

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Inspecting method and inspecting device of control signal for displ...
- Patent number 7,397,456
- Issue date Jul 8, 2008
- Hitachi Displays, Ltd.
- Yoichi Igarashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device and driving method thereof
- Patent number 7,391,396
- Issue date Jun 24, 2008
- Hitachi Displays, Ltd.
- Yoichi Igarashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving method for a liquid crystal display device
- Patent number 6,515,679
- Issue date Feb 4, 2003
- Hitachi, Ltd.
- Yoichi Igarashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device with reduced frame portion surroundin...
- Patent number 5,838,400
- Issue date Nov 17, 1998
- Hitachi, Ltd.
- Shiro Ueda
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device with reduced frame portion surroundin...
- Patent number 5,739,887
- Issue date Apr 14, 1998
- Hitachi, Ltd.
- Shiro Ueda
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Display Device And Driving Method Thereof
- Publication number 20080246710
- Publication date Oct 9, 2008
- Yoichi Igarashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Display device and driving method thereof
- Publication number 20040263462
- Publication date Dec 30, 2004
- Yoichi Igarashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Inspecting method and inspecting device of control signal for displ...
- Publication number 20040212609
- Publication date Oct 28, 2004
- Yoichi Igarashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Liquid crystal display device
- Publication number 20010045926
- Publication date Nov 29, 2001
- Hitachi, Ltd.
- Yoshio Oowaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS