Inventor
FURUKAWA KIMIHIKO
JP42 patents
⚠️ This page may combine multiple inventors who share the name “FURUKAWA KIMIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
22 patentsUS7453232B2Nov 18, 2008
Leakage detector for a power supply apparatus for a vehicle
SANYO ELECTRIC CO20 citations92
US7071698B2Jul 4, 2006
Power supply apparatus for detecting battery voltage and the portions of faults
SANYO ELECTRIC CO32 citations92
US6833708B2Dec 21, 2004
Leak detecting circuit for power source device
SANYO ELECTRIC CO23 citations92
US6828757B2Dec 7, 2004
Circuit for adjusting charging rate of cells in combination
SANYO ELECTRIC CO27 citations92
US6362626B2Mar 26, 2002
Cell voltage measuring device for cell module
SANYO ELECTRIC CO44 citations92
US7262605B2Aug 28, 2007
Power supply apparatus
SANYO ELECTRIC CO37 citations91
US7403016B2Jul 22, 2008
Car power source apparatus
SANYO ELECTRIC CO12 citations84
US6919706B2Jul 19, 2005
Voltage measuring circuit of battery pack
SANYO ELECTRIC CO16 citations84
US7098626B2Aug 29, 2006
Power supply apparatus
SANYO ELECTRIC CO14 citations83
US7834635B2Nov 16, 2010
Car power source apparatus
SANYO ELECTRIC CO14 citations82
US6661198B2Dec 9, 2003
Circuit for adjusting charging rate of cells in combination
SANYO ELECTRIC CO8 citations74
US11626741B2Apr 11, 2023
Management device and power supply system
SANYO ELECTRIC CO2 citations72
US9945886B2Apr 17, 2018
Electrical current detection device equipped with shunt resistor, and power supply device
SANYO ELECTRIC CO4 citations72
US7554300B2Jun 30, 2009
Car power source apparatus
SANYO ELECTRIC CO7 citations72
US10056653B2Aug 21, 2018
Battery management device and power supply device
SANYO ELECTRIC CO3 citations70
US7466139B2Dec 16, 2008
Method to determine current detection circuit failure
SANYO ELECTRIC CO3 citations63
US11196102B2Dec 7, 2021
Management device and power supply system
SANYO ELECTRIC CO1 citations62
US10627453B2Apr 21, 2020
Integrated circuit with built-in status monitoring unit and power supply device provided with said integrated circuit
SANYO ELECTRIC CO1 citations60
US11180032B2Nov 23, 2021
Monitoring device and power storage system
SANYO ELECTRIC CO1 citations58
US11351887B2Jun 7, 2022
Management device and power supply system
SANYO ELECTRIC CO1 citations57
US7394222B2Jul 1, 2008
Power supply apparatus with function for correcting for erroneous detection
SANYO ELECTRIC CO5 citations57
US10843567B2Nov 24, 2020
Monitoring system
SANYO ELECTRIC CO0 citations37
PRIME PLANET ENERGY & SOLUTIONS INC
10 patentsUS12438204B2Oct 7, 2025
Power storage system and controller for power storage system
PRIME PLANET ENERGY & SOLUTIONS INC1 citations64
US12301028B2May 13, 2025
Battery system and control method
PRIME PLANET ENERGY & SOLUTIONS INC1 citations64
US12078686B2Sep 3, 2024
Electric leakage detection method
PRIME PLANET ENERGY & SOLUTIONS INC0 citations62
US12586831B2Mar 24, 2026
Electric power demand adjusting device
PRIME PLANET ENERGY & SOLUTIONS INC0 citations61
US11594388B2Feb 28, 2023
Apparatus and method for inhibiting electromagnetic relay from being frozen
PRIME PLANET ENERGY & SOLUTIONS INC0 citations57
US12560493B2Feb 24, 2026
Temperature detection device
PRIME PLANET ENERGY & SOLUTIONS INC0 citations52
US12522098B2Jan 13, 2026
Charging and discharging management device
PRIME PLANET ENERGY & SOLUTIONS INC0 citations50
US12485794B2Dec 2, 2025
In-vehicle battery management device
PRIME PLANET ENERGY & SOLUTIONS INC0 citations50
US12476464B2Nov 18, 2025
Electric power adjusting device
PRIME PLANET ENERGY & SOLUTIONS INC0 citations50
US12296712B2May 13, 2025
Charging and discharging control device
PRIME PLANET ENERGY & SOLUTIONS INC0 citations50
FURUKAWA KIMIHIKO
4 patentsUS8878492B2Nov 4, 2014
Power source apparatus, vehicle and power storage system using the power source apparatus
FURUKAWA KIMIHIKO21 citations91
US8228037B2Jul 24, 2012
Battery system with relays
FURUKAWA KIMIHIKO26 citations91
US8754654B2Jun 17, 2014
Power supply device for detecting disconnection of voltage detection lines
FURUKAWA KIMIHIKO7 citations83
US8330418B2Dec 11, 2012
Power supply device capable of equalizing electrical properties of batteries
FURUKAWA KIMIHIKO16 citations83