Inventor
CHIDA TADAHIKO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “CHIDA TADAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI AUTOMOTIVE SYSTEMS LTD
9 patentsUS10128770B2Nov 13, 2018
Converter and electric power conversion apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations72
US10763739B2Sep 1, 2020
Power conversion device and power supply system using same
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations71
US10381148B2Aug 13, 2019
Transformer and power converter using the same
HITACHI AUTOMOTIVE SYSTEMS LTD5 citations70
US9713292B2Jul 18, 2017
DC-DC converter and power conversion apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations66
US10381937B2Aug 13, 2019
Power converter having multiple switching legs
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations62
US11430716B2Aug 30, 2022
Power semiconductor device and power conversion device using the same
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations61
US11242845B2Feb 8, 2022
Linear compressor and device mounted with the same
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations61
US10784788B2Sep 22, 2020
Reactor and DC-DC converter using same
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations41
US10326379B2Jun 18, 2019
Power conversion device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations41
HITACHI LTD
3 patentsUS7701159B2Apr 20, 2010
Brushless motor system
HITACHI LTD7 citations73
US9887638B2Feb 6, 2018
Power conversion apparatus with frequency operation change based on input voltage
HITACHI LTD0 citations40
US9806622B2Oct 31, 2017
Power conversion device and power conversion control method for the same
HITACHI LTD0 citations40