Inventor
NUMAKURA KEIICHIRO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “NUMAKURA KEIICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSAN MOTOR
13 patentsUS11557674B2Jan 17, 2023
Semiconductor device and method for manufacturing the same
NISSAN MOTOR2 citations71
US11557647B2Jan 17, 2023
Semiconductor device and manufacturing method thereof
NISSAN MOTOR2 citations71
US12328884B2Jun 10, 2025
Semiconductor device, power module and manufacturing method for the semiconductor device
NISSAN MOTOR0 citations62
US11664466B2May 30, 2023
Semiconductor device, power module and method for manufacturing the semiconductor device
NISSAN MOTOR0 citations62
US11996442B2May 28, 2024
Semiconductor device and method of manufacturing semiconductor device
NISSAN MOTOR0 citations61
US11756994B2Sep 12, 2023
Semiconductor device and method of manufacturing semiconductor device
NISSAN MOTOR0 citations61
US11476326B2Oct 18, 2022
Semiconductor device and method of manufacturing semiconductor device
NISSAN MOTOR0 citations61
US11251300B2Feb 15, 2022
Semiconductor device and method of manufacturing semiconductor device
NISSAN MOTOR1 citations61
US11916469B2Feb 27, 2024
Resonant power conversion device
NISSAN MOTOR0 citations59
US11881526B2Jan 23, 2024
Semiconductor device and method for manufacturing same
NISSAN MOTOR0 citations51
US12068411B2Aug 20, 2024
Semiconductor device and method for manufacturing same
NISSAN MOTOR0 citations50
US11973108B2Apr 30, 2024
Semiconductor device and manufacturing method thereof
NISSAN MOTOR0 citations48
US10230294B2Mar 12, 2019
Power conversion device with gate drive circuit
NISSAN MOTOR0 citations39