Inventor · disambiguated record
Syohei Osaka
Also filed as: OSAKA SYOHEI
7 granted patents·2 pending applications·181 citations·filing 2003–2008
87Inventor score
Top patents by PatentIndex Score
9 records- 0193US7768801B2Current resonant DC-DC converter of multi-output typeSANKEN ELECTRIC CO LTD·Filed 2005·Granted Aug 3, 2010·81 cites·16 claims
- 0288US7212415B2Resonance type switching power sourceSANKEN ELECTRIC CO LTD·Filed 2005·Granted May 1, 2007·28 cites·9 claims
- 0388US7176660B2Switching power source apparatus and power factor correctorSANKEN ELECTRIC CO LTD·Filed 2005·Granted Feb 13, 2007·28 cites·10 claims
- 0486US8314757B2Apparatus for driving light emitting elements and electronic appliance employing the apparatusOSAKA SYOHEI·Filed 2008·Granted Nov 20, 2012·13 cites·7 claims
- 0577US7116561B2Resonant power source apparatusSANKEN ELECTRIC CO LTD·Filed 2005·Granted Oct 3, 2006·15 cites·9 claims
- 0671US7522430B2Switching power supply apparatusSANKEN ELECTRIC CO LTD·Filed 2005·Granted Apr 21, 2009·11 cites·10 claims
- 0740US7239533B2DC power supply apparatusSANKEN ELECTRIC CO LTD·Filed 2003·Granted Jul 3, 2007·5 cites·12 claims
- 0834US2007164717A1Power factor improving circuit and switching power supplySANKEN ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 0930US2006055386A1Power factor improving circuit and control circuit for power factor improving circuitOSAKA SYOHEI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →