Inventor · disambiguated record
Shohei Osaka
Also filed as: OSAKA SHOHEI
15 granted patents·4 pending applications·144 citations·filing 2005–2025
92Inventor score
Top patents by PatentIndex Score
19 records- 0191US8476879B2Saving energy mode (SEM) for an interleaved power factor correction (PFC) converterGABOURY MICHAEL J·Filed 2010·Granted Jul 2, 2013·17 cites·17 claims
- 0290US8212539B2Interleaved converterOSAKA SHOHEI·Filed 2010·Granted Jul 3, 2012·14 cites·6 claims
- 0389US7696733B2Resonant switching power source deviceSANKEN ELECTRIC CO LTD·Filed 2007·Granted Apr 13, 2010·29 cites·6 claims
- 0481US8248040B2Time-limiting mode (TLM) for an interleaved power factor correction (PFC) converterRAUSCH GREGORY J·Filed 2009·Granted Aug 21, 2012·19 cites·13 claims
- 0580US8384368B2Power conversion apparatus and controller thereofSANKEN ELECTRIC CO LTD·Filed 2010·Granted Feb 26, 2013·6 cites·16 claims
- 0680US7339799B2Switching power supplySANKEN ELECTRIC CO LTD·Filed 2005·Granted Mar 4, 2008·19 cites·13 claims
- 0778US8248041B2Frequency compression for an interleaved power factor correction (PFC) converterRAUSCH GREGORY J·Filed 2009·Granted Aug 21, 2012·15 cites·9 claims
- 0874US7888985B2Level shift circuitSANKEN ELECTRIC CO LTD·Filed 2009·Granted Feb 15, 2011·7 cites·2 claims
- 0973US7542313B2Induction heating apparatus capable of stably operating at least one switching element contained thereinSANKEN ELECTRIC CO LTD·Filed 2006·Granted Jun 2, 2009·5 cites·11 claims
- 1066US8138737B2Duty cycle controller for power factor correction circuitOSAKA SHOHEI·Filed 2009·Granted Mar 20, 2012·8 cites·6 claims
- 1160US2025210972A1Semiconductor switching deviceSANKEN ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 1259US8217687B2Capacitive load driverIWABUCHI AKIO·Filed 2010·Granted Jul 10, 2012·2 cites·7 claims
- 1349US8008945B2Level-shift circuitSANKEN ELECTRIC CO LTD·Filed 2009·Granted Aug 30, 2011·1 cites·2 claims
- 1448US8963436B2Light emitting element driving deviceSANKEN ELECTRIC CO LTD·Filed 2013·Granted Feb 24, 2015·0 cites·3 claims
- 1548US8059430B2High efficiency DC-DC converter for reduced switching lossOSAKA SHOHEI·Filed 2009·Granted Nov 15, 2011·2 cites·14 claims
- 1644US2011006692A1Apparatus for driving capacitive light emitting deviceSANKEN ELECTRIC CO LTD·Filed 2009·Application pending·0 cites
- 1739US8427119B2Power source apparatusOSAKA SHOHEI·Filed 2010·Granted Apr 23, 2013·0 cites·4 claims
- 1838US2010118576A1Power factor correction circuitSANKEN ELECTRIC CO LTD·Filed 2008·Application pending·0 cites
- 1937US2007176808A1Switching power source device of multi-output typeSANKEN ELECTRIC CO LTD·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →