Fumiyuki Niwa

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Voltage supply circuit, power supply circuit, microphone unit using...
- Patent number 7,929,716
- Issue date Apr 19, 2011
- Renesas Electronics Corporation
- Fumiyuki Niwa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage supply circuit and microphone unit
- Patent number 7,864,970
- Issue date Jan 4, 2011
- Renesas Electronics Corporation
- Fumiyuki Niwa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Stepping motor driving apparatus having small time constant regener...
- Patent number 6,114,826
- Issue date Sep 5, 2000
- NEC Corporation
- Haruo Nishiura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Voltage supply circuit and microphone unit
- Publication number 20060147062
- Publication date Jul 6, 2006
- NEC Electronics Corporation
- Fumiyuki Niwa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Voltage supply circuit, power supply circuit, microphone unit using...
- Publication number 20060147061
- Publication date Jul 6, 2006
- NEC Electronics Corporation
- Fumiyuki Niwa
- H03 - BASIC ELECTRONIC CIRCUITRY