Kouichi Hanada

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Operational amplifier
- Patent number 7,692,492
- Issue date Apr 6, 2010
- Rohm Co., Ltd.
- Kouichi Hanada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Operational amplifier
- Patent number 7,532,076
- Issue date May 12, 2009
- Rohm Co., Ltd.
- Kouichi Hanada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Organic EL drive circuit and organic EL display device using the same
- Patent number 6,992,647
- Issue date Jan 31, 2006
- Rohm Co., Ltd.
- Kouichi Hanada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Organic EL drive circuit and organic EL display device using the same
- Patent number 6,586,888
- Issue date Jul 1, 2003
- Rohm Co., Ltd.
- Shinji Kitahara
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
OPERATIONAL AMPLIFIER
- Publication number 20090189693
- Publication date Jul 30, 2009
- Rohm Co., Ltd.
- Kouichi Hanada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Operational Amplifier
- Publication number 20080012641
- Publication date Jan 17, 2008
- Kouichi Hanada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Organic EL drive circuit and organic EL display device using the same
- Publication number 20030151567
- Publication date Aug 14, 2003
- Kouichi Hanada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Organic EL drive circuit and organic EL display device using the same
- Publication number 20020135314
- Publication date Sep 26, 2002
- Shinji Kitahara
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS