Inventor
FURUKOSHI RYUICHI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “FURUKOSHI RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANKEN ELECTRIC CO LTD
16 patentsUS7492614B2Feb 17, 2009
Switching power supply apparatus
SANKEN ELECTRIC CO LTD27 citations92
US7764089B2Jul 27, 2010
Device for driving switching elements
SANKEN ELECTRIC CO LTD10 citations83
US7382633B2Jun 3, 2008
DC converter
SANKEN ELECTRIC CO LTD16 citations83
US7330365B2Feb 12, 2008
Synchronous commutation DC-DC converter
SANKEN ELECTRIC CO LTD13 citations83
US7567443B2Jul 28, 2009
Power converter
SANKEN ELECTRIC CO LTD11 citations78
US7203080B2Apr 10, 2007
DC converter
SANKEN ELECTRIC CO LTD8 citations73
US10910952B1Feb 2, 2021
Control apparatus and method for current resonance circuit and current resonance power supply
SANKEN ELECTRIC CO LTD3 citations72
US7154762B2Dec 26, 2006
Power source apparatus
SANKEN ELECTRIC CO LTD4 citations61
US12119742B2Oct 15, 2024
Integrated circuit and method of digitally controling critical mode power factor correction circuit
SANKEN ELECTRIC CO LTD0 citations51
US12113436B2Oct 8, 2024
Integrated circuit and method of synchronous rectification control of bridgeless power factor correction circuit
SANKEN ELECTRIC CO LTD0 citations51
US9871455B2Jan 16, 2018
Current resonance type power supply device
SANKEN ELECTRIC CO LTD0 citations51
US9774262B2Sep 26, 2017
Current resonance type power supply device
SANKEN ELECTRIC CO LTD1 citations51
US10608526B2Mar 31, 2020
Device and method for calculating switching time
SANKEN ELECTRIC CO LTD0 citations40
US9641088B2May 2, 2017
Current resonant power source apparatus
SANKEN ELECTRIC CO LTD0 citations40
US9444352B2Sep 13, 2016
Current resonance type power supply device
SANKEN ELECTRIC CO LTD0 citations40
US9716427B2Jul 25, 2017
Power factor correction circuit having bottom skip controller
SANKEN ELECTRIC CO LTD0 citations38