Inventor
IKEGAYA KATSUMI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “IKEGAYA KATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI AUTOMOTIVE SYSTEMS LTD
7 patentsUS11587951B2Feb 21, 2023
Semiconductor device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations50
US11417452B2Aug 16, 2022
Electronic control unit
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations50
US11004762B2May 11, 2021
Semiconductor device, vehicle-mounted semiconductor device, and vehicle-mounted control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations50
US11145646B2Oct 12, 2021
Semiconductor device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations49
US10403620B2Sep 3, 2019
Semiconductor device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations49
US10170415B2Jan 1, 2019
Semiconductor device, semiconductor integrated circuit, and load driving device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations40
US10665496B2May 26, 2020
Switch element and load driving device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations39
HITACHI ASTEMO LTD
3 patentsUS12549082B2Feb 10, 2026
Power conversion device and method of controlling power conversion device
HITACHI ASTEMO LTD0 citations50
US12300606B2May 13, 2025
Mirror circuit devices with wide wirings
HITACHI ASTEMO LTD0 citations47
US12087703B2Sep 10, 2024
Semiconductor device and in-vehicle electronic control device using the same
HITACHI ASTEMO LTD0 citations47