Inventor
HIRUMA ATSUYUKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “HIRUMA ATSUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
7 patentsUS6153993ANov 28, 2000
Method and apparatus for controlling a brushless DC motor that indicates a motor failure
TOSHIBA KK189 citations97
US5694010ADec 2, 1997
Method and apparatus for controlling a brushless DC motor
TOSHIBA KK163 citations97
US5936854AAug 10, 1999
Direct-current power supply system and air conditioner
TOSHIBA KK21 citations92
US5446354AAug 29, 1995
Drive apparatus for brushless DC motor and failure diagnosing method for the same
TOSHIBA KK47 citations92
US5207071AMay 4, 1993
Current control apparatus for air-conditioning system
TOSHIBA KK27 citations91
US5235505AAug 10, 1993
Overcurrent detector
TOSHIBA KK18 citations73
US5297395AMar 29, 1994
Air conditioner using rotary-type heat exchangers
TOSHIBA KK15 citations71
DENSO CORP
4 patentsUS9982647B2May 29, 2018
Engine start system
DENSO CORP6 citations71
US12095388B2Sep 17, 2024
Power conversion system
DENSO CORP0 citations41
US9948220B2Apr 17, 2018
Rotation angle estimation apparatus for rotating electric machine
DENSO CORP0 citations41
US10837417B2Nov 17, 2020
Engine starter apparatus
DENSO CORP0 citations39