Hirofumi Nakagawa

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Level shift circuit
- Patent number 7,176,741
- Issue date Feb 13, 2007
- Matsushita Electric Industrial Co., Ltd.
- Tomoya Ishikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Display device driving circuit and display device
- Patent number 7,079,125
- Issue date Jul 18, 2006
- Matsushita Electric Industrial Co., Ltd.
- Hirofumi Nakagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Data transmission/reception system
- Patent number 7,009,426
- Issue date Mar 7, 2006
- Matsushita Electric Industrial Co., Ltd.
- Shiro Dosho
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Level shift circuit
- Publication number 20060033550
- Publication date Feb 16, 2006
- Matsushita Electric Industrial Co., Ltd.
- Tomoya Ishikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Data transmission/reception system
- Publication number 20050174145
- Publication date Aug 11, 2005
- Matsushita Electric Industrial Co., Ltd.
- Shiro Dosho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Level shift circuit
- Publication number 20040227557
- Publication date Nov 18, 2004
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Tomoya Ishikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Data driver
- Publication number 20040056856
- Publication date Mar 25, 2004
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Yasuyuki Doi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Display device driving circuit and display device
- Publication number 20040041826
- Publication date Mar 4, 2004
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Hirofumi Nakagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS