Inventor

NIWA FUMIYUKI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “NIWA FUMIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RENESAS ELECTRONICS CORP

2 patents

US7929716B2Apr 19, 2011

Voltage supply circuit, power supply circuit, microphone unit using the same, and microphone unit sensitivity adjustment method

RENESAS ELECTRONICS CORP25 citations89

US7864970B2Jan 4, 2011

Voltage supply circuit and microphone unit

RENESAS ELECTRONICS CORP6 citations70

NEC CORP

1 patent

US6114826ASep 5, 2000

Stepping motor driving apparatus having small time constant regenerative current path

NEC CORP26 citations86