Inventor
IYAMA HIROYUKI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “IYAMA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
6 patentsUS12455310B2Oct 28, 2025
Fault detection circuit
TOYOTA MOTOR CO LTD0 citations51
US12366596B2Jul 22, 2025
Fault detection circuit
TOYOTA MOTOR CO LTD0 citations51
US12196620B2Jan 14, 2025
Motor temperature estimation system, motor temperature estimation method, and motor temperature estimation program
TOYOTA MOTOR CO LTD0 citations50
US10886868B2Jan 5, 2021
Motor control apparatus, control method thereof, and program
TOYOTA MOTOR CO LTD0 citations50
US10707797B2Jul 7, 2020
Motor control apparatus, motor control program, and motor control method
TOYOTA MOTOR CO LTD0 citations41
US10044299B2Aug 7, 2018
Motor driving device
TOYOTA MOTOR CO LTD0 citations41
HITACHI LTD
4 patentsUS3978368AAug 31, 1976
Discharge lamp control circuit
HITACHI LTD23 citations80
US4119887AOct 10, 1978
Starter for discharge lamp
HITACHI LTD17 citations72
US3942070AMar 2, 1976
Electric discharge lamp lighting device
HITACHI LTD15 citations72
US3978369AAug 31, 1976
Solid state starter apparatus for a discharge lamp
HITACHI LTD6 citations60