Inventor · disambiguated record
Ryuichi Furukoshi
Also filed as: FURUKOSHI RYUICHI
17 granted patents·94 citations·filing 2003–2022
91Inventor score
Top patents by PatentIndex Score
17 records- 0187US7492614B2Switching power supply apparatusSANKEN ELECTRIC CO LTD·Filed 2005·Granted Feb 17, 2009·27 cites·2 claims
- 0284US7382633B2DC converterSANKEN ELECTRIC CO LTD·Filed 2006·Granted Jun 3, 2008·16 cites·30 claims
- 0381US10910952B1Control apparatus and method for current resonance circuit and current resonance power supplySANKEN ELECTRIC CO LTD·Filed 2019·Granted Feb 2, 2021·3 cites·10 claims
- 0480US7203080B2DC converterSANKEN ELECTRIC CO LTD·Filed 2005·Granted Apr 10, 2007·8 cites·9 claims
- 0575US7567443B2Power converterSANKEN ELECTRIC CO LTD·Filed 2006·Granted Jul 28, 2009·11 cites·9 claims
- 0670US7764089B2Device for driving switching elementsSANKEN ELECTRIC CO LTD·Filed 2005·Granted Jul 27, 2010·10 cites·7 claims
- 0762US9774262B2Current resonance type power supply deviceSANKEN ELECTRIC CO LTD·Filed 2014·Granted Sep 26, 2017·1 cites·5 claims
- 0858US7330365B2Synchronous commutation DC-DC converterSANKEN ELECTRIC CO LTD·Filed 2004·Granted Feb 12, 2008·13 cites·6 claims
- 0953US12119742B2Integrated circuit and method of digitally controling critical mode power factor correction circuitSANKEN ELECTRIC CO LTD·Filed 2022·Granted Oct 15, 2024·0 cites·3 claims
- 1053US12113436B2Integrated circuit and method of synchronous rectification control of bridgeless power factor correction circuitSANKEN ELECTRIC CO LTD·Filed 2022·Granted Oct 8, 2024·0 cites·7 claims
- 1152US9871455B2Current resonance type power supply deviceSANKEN ELECTRIC CO LTD·Filed 2017·Granted Jan 16, 2018·0 cites·2 claims
- 1251US9025348B2Drive circuitOZAWA KEIICHIRO·Filed 2012·Granted May 5, 2015·1 cites·9 claims
- 1349US10608526B2Device and method for calculating switching timeSANKEN ELECTRIC CO LTD·Filed 2018·Granted Mar 31, 2020·0 cites·16 claims
- 1440US9716427B2Power factor correction circuit having bottom skip controllerSANKEN ELECTRIC CO LTD·Filed 2015·Granted Jul 25, 2017·0 cites·3 claims
- 1540US7154762B2Power source apparatusSANKEN ELECTRIC CO LTD·Filed 2003·Granted Dec 26, 2006·4 cites·6 claims
- 1637US9641088B2Current resonant power source apparatusSANKEN ELECTRIC CO LTD·Filed 2015·Granted May 2, 2017·0 cites·12 claims
- 1737US9444352B2Current resonance type power supply deviceSANKEN ELECTRIC CO LTD·Filed 2015·Granted Sep 13, 2016·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →