Inventor
EGUCHI YASUHITO
JP34 patents
⚠️ This page may combine multiple inventors who share the name “EGUCHI YASUHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
23 patentsUS6320336B1Nov 20, 2001
Bicycle with power assisting function
SONY CORP128 citations98
US6172482B1Jan 9, 2001
Battery protection circuit and electronic device
SONY CORP88 citations98
US5547775AAug 20, 1996
Circuit for preventing overcharge and overdischarge of secondary batteries
SONY CORP224 citations98
US5530336AJun 25, 1996
Battery protection circuit
SONY CORP133 citations97
US6495989B1Dec 17, 2002
Battery control apparatus and management method of battery
SONY CORP69 citations96
US5929593AJul 27, 1999
Charging control apparatus using variable intermittent current charging
SONY CORP39 citations96
US5808446ASep 15, 1998
Charging control apparatus
SONY CORP70 citations96
US5493197AFeb 20, 1996
Battery charge control circuit
SONY CORP152 citations96
US5680027AOct 21, 1997
Battery pack including internal capacity monitor for monitoring groups of battery cells
SONY CORP85 citations95
US5525890AJun 11, 1996
Battery unit and battery energy billing method
SONY CORP65 citations95
US5371529ADec 6, 1994
Ink-jet print head and ink-jet printer
SONY CORP84 citations95
US6087803AJul 11, 2000
Battery pack, electronic equipment system and method of detecting loading of battery pack technical field
SONY CORP34 citations93
US6313606B1Nov 6, 2001
Method and apparatus for detecting battery capacity
SONY CORP32 citations92
US6177779B1Jan 23, 2001
Device and method for processing information, battery pack, and transmitting medium
SONY CORP38 citations92
US6064182AMay 16, 2000
Battery pack, battery remaining capacity detection method, and application device driven with battery pack as power source
SONY CORP49 citations92
US5847544ADec 8, 1998
Charging control apparatus
SONY CORP30 citations92
US5796238AAug 18, 1998
Battery pack
SONY CORP48 citations92
US4492482AJan 8, 1985
Thermal head driving system
SONY CORP36 citations91
US5416505AMay 16, 1995
Image drawing apparatus
SONY CORP44 citations89
US6043627AMar 28, 2000
Battery charger with redundant protection circuits
SONY CORP16 citations80
US5148187ASep 15, 1992
Printing apparatus with mechanism precisely defining printing start position
SONY CORP15 citations73
US6439065B1Aug 27, 2002
Torque detecting apparatus
SONY CORP13 citations70
US4484231ANov 20, 1984
Printing apparatus
SONY CORP3 citations63
LG CHEMICAL LTD
9 patentsUS7453236B2Nov 18, 2008
Battery pack of automatically setting master and slave pack, multi-battery pack system including the same and method for controlling the same
LG CHEMICAL LTD26 citations91
US9711977B2Jul 18, 2017
Battery management system for transmitting secondary protection signal and diagnosis signal using a small number of insulation elements
LG CHEMICAL LTD5 citations83
US9018956B2Apr 28, 2015
Apparatus and method for diagnosing abnormality in cell balancing circuit
LG CHEMICAL LTD11 citations83
US9705663B2Jul 11, 2017
Communication system having synchronized units and synchronization method for units
LG CHEMICAL LTD5 citations72
US10908199B2Feb 2, 2021
Device and method for measuring insulation resistance of battery pack by using negative electrode relay
LG CHEMICAL LTD1 citations62
US10177579B2Jan 8, 2019
Battery management system for transmitting secondary protection signal and diagnosis signal using a small number of insulation elements
LG CHEMICAL LTD0 citations51
US10107866B2Oct 23, 2018
Battery management system for outputting signal, capable analyzing whether error has occured, and battery driving system including same
LG CHEMICAL LTD1 citations51
US9780578B2Oct 3, 2017
Battery management system for transmitting secondary protection signal and diagnosis signal using a small number of insulation elements
LG CHEMICAL LTD0 citations51
US9434272B2Sep 6, 2016
Battery management system
LG CHEMICAL LTD0 citations41
SONY CHEMICALS CORP
2 patentsUS6174617B1Jan 16, 2001
Communication method, remaining capacity calculation method, total capacity calculation method, overcharge protection method, information display method, and battery pack
SONY CHEMICALS CORP56 citations95
US5982145ANov 9, 1999
Battery pack unit, control method therefor, electronic equipment driven by power supplied from the same battery pack unit, and recording medium on which program for controlling the same battery pack unit is recorded
SONY CHEMICALS CORP44 citations92