Inventor
ASO SHINJI
JP38 patents
⚠️ This page may combine multiple inventors who share the name “ASO SHINJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANKEN ELECTRIC CO LTD
16 patentsUS7589980B2Sep 15, 2009
DC-DC converter
SANKEN ELECTRIC CO LTD19 citations84
US7583520B2Sep 1, 2009
Direct-current converter
SANKEN ELECTRIC CO LTD8 citations84
US7304868B2Dec 4, 2007
DC converter
SANKEN ELECTRIC CO LTD10 citations84
US7251146B2Jul 31, 2007
Direct-current converter having active clamp circuit
SANKEN ELECTRIC CO LTD11 citations84
US7193867B2Mar 20, 2007
DC converter
SANKEN ELECTRIC CO LTD11 citations84
US7382633B2Jun 3, 2008
DC converter
SANKEN ELECTRIC CO LTD16 citations83
US7525822B2Apr 28, 2009
DC converter including a tertiary winding for driving synchronous rectifiers
SANKEN ELECTRIC CO LTD7 citations74
US7203080B2Apr 10, 2007
DC converter
SANKEN ELECTRIC CO LTD8 citations73
US7196913B2Mar 27, 2007
DC conversion apparatus
SANKEN ELECTRIC CO LTD6 citations63
US7075801B2Jul 11, 2006
Dc converter
SANKEN ELECTRIC CO LTD5 citations63
US12126267B2Oct 22, 2024
Resonant converter with a synchronous rectifier controller having ontime and offtime counting
SANKEN ELECTRIC CO LTD1 citations54
US12531482B2Jan 20, 2026
Multi-output SEPIC converter
SANKEN ELECTRIC CO LTD0 citations52
US12431812B2Sep 30, 2025
Active clamp flyback converter having clamp switch and clamp capacitor and control IC for controlling the clamp switch to limit resonance current
SANKEN ELECTRIC CO LTD0 citations52
US12372557B2Jul 29, 2025
Excitation current detection circuit and semiconductor device
SANKEN ELECTRIC CO LTD0 citations51
US12003180B2Jun 4, 2024
Power supply for driving synchronous rectification elements of SEPIC converter
SANKEN ELECTRIC CO LTD0 citations45
US11973431B2Apr 30, 2024
Switching power supply apparatus
SANKEN ELECTRIC CO LTD0 citations40
TOYOTA MOTOR CO LTD
10 patentsUS7863838B2Jan 4, 2011
Power supply system provided with a plurality of power supplies, and vehicle provided with such power supply system
TOYOTA MOTOR CO LTD13 citations84
US10770761B2Sep 8, 2020
Fuel cell control device, control method thereof, and fuel cell vehicle
TOYOTA MOTOR CO LTD2 citations73
US10486543B2Nov 26, 2019
Voltage control device for fuel-cell vehicle
TOYOTA MOTOR CO LTD5 citations73
US10312538B2Jun 4, 2019
Fuel cell system for vehicle and control method thereof
TOYOTA MOTOR CO LTD1 citations62
US8383281B2Feb 26, 2013
Fuel cell system
TOYOTA MOTOR CO LTD0 citations51
US10227020B2Mar 12, 2019
Fuel cell system
TOYOTA MOTOR CO LTD0 citations42
US10618421B2Apr 14, 2020
Fuel cell system
TOYOTA MOTOR CO LTD0 citations40
US10615437B2Apr 7, 2020
Fuel cell system including converter boosting output voltage based on duty ratio
TOYOTA MOTOR CO LTD0 citations40
US10573909B2Feb 25, 2020
Fuel cell system
TOYOTA MOTOR CO LTD0 citations40
US10153504B2Dec 11, 2018
Fuel cell system
TOYOTA MOTOR CO LTD0 citations40
ASO SHINJI
7 patentsUS8441201B2May 14, 2013
LED driving apparatus
ASO SHINJI10 citations83
US8951685B2Feb 10, 2015
Fuel cell system
ASO SHINJI13 citations82
US8223520B2Jul 17, 2012
DC conversion apparatus
ASO SHINJI6 citations69
US8320138B2Nov 27, 2012
DC converter
ASO SHINJI4 citations62
US8119298B2Feb 21, 2012
Fuel cell system and mobile body
ASO SHINJI2 citations62
US8927164B2Jan 6, 2015
Fuel cell system with scavenging means and control unit thereof
ASO SHINJI0 citations41
US8173312B2May 8, 2012
Fuel cell system with electric storage device and voltage converter
ASO SHINJI0 citations41