Inventor
TAKECHI HIROAKI
KR15 patents
⚠️ This page may combine multiple inventors who share the name “TAKECHI HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA MOTOR CO LTD
5 patentsUS5764009AJun 9, 1998
Motor control device in electric motor-operated vehicle
YAMAHA MOTOR CO LTD72 citations94
US6529816B1Mar 4, 2003
Evolutionary controlling system for motor
YAMAHA MOTOR CO LTD29 citations92
US5864224AJan 26, 1999
Method for charging secondary battery and charger therefor
YAMAHA MOTOR CO LTD33 citations92
US5154986AOct 13, 1992
Shut-off device for fuel cell system
YAMAHA MOTOR CO LTD103 citations92
US5751136AMay 12, 1998
Checking method of connection between secondary battery and battery charger and checking device
YAMAHA MOTOR CO LTD13 citations73
SUMITOMO ELECTRIC INDUSTRIES
5 patentsUS10309841B2Jun 4, 2019
Temperature detecting apparatus
SUMITOMO ELECTRIC INDUSTRIES2 citations72
US10408864B2Sep 10, 2019
Voltage measuring apparatus, voltage measuring method, voltage control apparatus, and voltage control method
SUMITOMO ELECTRIC INDUSTRIES4 citations68
US11448704B2Sep 20, 2022
Parameter estimation device, parameter estimation method, and computer program
SUMITOMO ELECTRIC INDUSTRIES0 citations47
US11313911B2Apr 26, 2022
Secondary battery parameter estimation device, secondary battery parameter estimation method, and program
SUMITOMO ELECTRIC INDUSTRIES0 citations47
US10656213B2May 19, 2020
Internal resistance calculation device, recording medium, and internal resistance calculation method
SUMITOMO ELECTRIC INDUSTRIES0 citations33