Inventor · disambiguated record
Fumiyuki Niwa
Also filed as: NIWA FUMIYUKI
3 granted patents·57 citations·filing 1998–2006
72Inventor score
Top patents by PatentIndex Score
3 records- 0188US7929716B2Voltage supply circuit, power supply circuit, microphone unit using the same, and microphone unit sensitivity adjustment methodRENESAS ELECTRONICS CORP·Filed 2006·Granted Apr 19, 2011·25 cites·25 claims
- 0265US7864970B2Voltage supply circuit and microphone unitRENESAS ELECTRONICS CORP·Filed 2006·Granted Jan 4, 2011·6 cites·25 claims
- 0360US6114826AStepping motor driving apparatus having small time constant regenerative current pathNEC CORP·Filed 1998·Granted Sep 5, 2000·26 cites·8 claims
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