Shouichi Hirota

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Hitachi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid-crystal display device and method of driving liquid-crystal...
- Patent number 7,477,223
- Issue date Jan 13, 2009
- Hitachi, Ltd.
- Yoshifumi Sekiguchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Color/black-and-white switchable portable terminal and display unit
- Patent number 7,038,641
- Issue date May 2, 2006
- Hitachi, Ltd.
- Shouichi Hirota
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Electric Energy Storage Device
- Publication number 20150303731
- Publication date Oct 22, 2015
- Hitachi, Ltd
- Fumikazu Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Color/black-and-white switchable portable terminal and display unit
- Publication number 20040140972
- Publication date Jul 22, 2004
- Shouichi Hirota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Liquid-crystal display device and method of driving liquid-crystal...
- Publication number 20040113879
- Publication date Jun 17, 2004
- Hitachi, Ltd.
- Yoshifumi Sekiguchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS