Inventor
MOCHIKAWA HIROSHI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “MOCHIKAWA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
18 patentsUS5206575AApr 27, 1993
Device for controlling an AC motor
TOSHIBA KK64 citations96
US8884576B2Nov 11, 2014
Variable-flux motor drive system
TOSHIBA KK21 citations92
US5808882ASep 15, 1998
Three-phase bridge rectifier
TOSHIBA KK48 citations92
US6396723B2May 28, 2002
Rectifier and transformer thereof
TOSHIBA KK16 citations83
US7872888B2Jan 18, 2011
Electric power conversion system
TOSHIBA KK16 citations82
US9680406B2Jun 13, 2017
Variable-flux motor drive system
TOSHIBA KK2 citations73
US10003331B2Jun 19, 2018
Semiconductor device including normally-off type transistors and normally-on type transistor connected series
TOSHIBA KK3 citations72
US9893509B2Feb 13, 2018
Semiconductor switch and power conversion apparatus
TOSHIBA KK2 citations71
US5182701AJan 26, 1993
Three-phase pwm inverter providing an improved output sinusoidal waveform
TOSHIBA KK15 citations69
US7724556B2May 25, 2010
Power converter
TOSHIBA KK4 citations61
US11305992B2Apr 19, 2022
Ozone generation device and power supply for ozone generation device
TOSHIBA KK0 citations59
US10224832B2Mar 5, 2019
Power conversion device
TOSHIBA KK0 citations52
US9236373B2Jan 12, 2016
Semiconductor device
TOSHIBA KK1 citations51
US12489375B2Dec 2, 2025
Power conversion apparatus including upper and lower arm circuits and a flying capacitor
TOSHIBA KK0 citations49
US10097006B2Oct 9, 2018
Control device for power converter, control program and power conversion device
TOSHIBA KK0 citations47
US9571002B2Feb 14, 2017
Voltage adjusting apparatus
TOSHIBA KK0 citations46
US9379548B2Jun 28, 2016
Multilevel reactive power compensator
TOSHIBA KK0 citations39
US10381842B2Aug 13, 2019
Power supply system
TOSHIBA KK0 citations36