Inventor · disambiguated record
Hiroyuki Kumasaka
Also filed as: KUMASAKA HIROYUKI
3 granted patents·8 citations·filing 2009–2016
55Inventor score
Top patents by PatentIndex Score
3 records- 0182US8552971B2Driving circuit for light emitting diodeISHIKAWA HIROYUKI·Filed 2009·Granted Oct 8, 2013·8 cites·6 claims
- 0236US9935543B2Digital control power circuit, control circuit thereof, control method, and electronic device using the sameROHM CO LTD·Filed 2016·Granted Apr 3, 2018·0 cites·21 claims
- 0333US9684289B2Power control device, system, and method using switches for fast stabilization of a power sourceROHM CO LTD·Filed 2013·Granted Jun 20, 2017·0 cites·6 claims
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