Inventor · disambiguated record
Yohichi Shiwaya
Also filed as: SHIWAYA YOHICHI
7 granted patents·32 citations·filing 2008–2014
80Inventor score
Top patents by PatentIndex Score
7 records- 0184US9584019B2Switching regulator and control method thereofSHIWAYA YOHICHI·Filed 2013·Granted Feb 28, 2017·10 cites·9 claims
- 0279US7564196B2Power supply device, and LED device and electronic device using sameRICOH KK·Filed 2008·Granted Jul 21, 2009·10 cites·10 claims
- 0361US8295064B2Operation control method of charge pump circuitSHIWAYA YOHICHI·Filed 2008·Granted Oct 23, 2012·7 cites·5 claims
- 0451US8669749B2Switching power supply unitSHIWAYA YOHICHI·Filed 2010·Granted Mar 11, 2014·1 cites·13 claims
- 0545US7986109B2Load driving circuit and method of setting load current thereofRICOH CO LTD·Filed 2008·Granted Jul 26, 2011·2 cites·18 claims
- 0644US8278991B2Power supply circuit and method for controlling the sameSHIWAYA YOHICHI·Filed 2008·Granted Oct 2, 2012·2 cites·5 claims
- 0741US9812959B2Step up/down switching regulatorSHIWAYA YOHICHI·Filed 2014·Granted Nov 7, 2017·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →