Inventor · disambiguated record
Shohtaroh Sohma
Also filed as: SOHMA SHOHTAROH
14 granted patents·1 pending application·114 citations·filing 2007–2023
90Inventor score
Top patents by PatentIndex Score
15 records- 0190US7795849B2Synchronous rectification switching regulator, control circuit for synchronous rectification switching regulator, and control method for synchronous rectification switching regulatorRICOH KK·Filed 2007·Granted Sep 14, 2010·38 cites·20 claims
- 0284US7649346B2Switching regulator having a normal operational mode and a light-load operational modeRICOH KK·Filed 2007·Granted Jan 19, 2010·22 cites·7 claims
- 0380US7876073B2Switching regulator with slope compensation and control method thereforRICOH CO LTD·Filed 2007·Granted Jan 25, 2011·12 cites·18 claims
- 0475US7679348B2Switching regulatorRICOH KK·Filed 2007·Granted Mar 16, 2010·13 cites·6 claims
- 0568US8836300B2Step-down switching regulatorSOHMA SHOHTAROH·Filed 2009·Granted Sep 16, 2014·9 cites·17 claims
- 0668US8207721B2Switching regulator capable of stable operation and improved frequency characteristics in a broad input and output voltage range and method for controlling operation thereofSOHMA SHOHTAROH·Filed 2008·Granted Jun 26, 2012·9 cites·13 claims
- 0765US10050517B1Power supply apparatus converting input voltage to predetermined output voltage and controlling output voltage based on feedback signal corresponding to output voltageOGINO YUUTA·Filed 2017·Granted Aug 14, 2018·3 cites·23 claims
- 0860US12476551B2Switching power supply circuitSOHMA SHOHTAROH·Filed 2023·Granted Nov 18, 2025·0 cites·16 claims
- 0953US8508963B2Step-down switching regulator capable of providing high-speed response with compact structureSOHMA SHOHTAROH·Filed 2008·Granted Aug 13, 2013·3 cites·16 claims
- 1052US8624566B2Current-mode control switching regulator and operations control method thereofSOHMA SHOHTAROH·Filed 2009·Granted Jan 7, 2014·3 cites·17 claims
- 1148US11375593B2Lighting system provided with dimmer apparatus and lighting equipmentNISSHINBO MICRO DEVICES INC·Filed 2020·Granted Jun 28, 2022·0 cites·8 claims
- 1247US7884584B2Switching power supply circuitRICOH CO LTD·Filed 2009·Granted Feb 8, 2011·2 cites·10 claims
- 1341US9413243B2Non-insulating type switching power supply deviceSOHMA SHOHTAROH·Filed 2013·Granted Aug 9, 2016·0 cites·13 claims
- 1434US10284075B2Overvoltage protection circuit for protecting overvoltage corresponding to wide range of input voltageRICOH ELECTRONIC DEVICES CO LTD·Filed 2018·Granted May 7, 2019·0 cites·9 claims
- 1533US2013099846A1Driving circuit, semiconductor device having driving circuit, and switching regulator and electronic equipment using driving circuit and semiconductor deviceSOHMA SHOHTAROH·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →