Inventor

HARUBEPPU YU

JP4 patents

⚠️ This page may combine multiple inventors who share the name “HARUBEPPU YU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

2 patents

US9013877B2Apr 21, 2015

Power semiconductor device

HITACHI LTD12 citations80

US12146816B2Nov 19, 2024

Test jig and test method

HITACHI LTD0 citations59

HITACHI POWER SEMICONDUCTOR DEVICE LTD

2 patents

US12327808B2Jun 10, 2025

Semiconductor device

HITACHI POWER SEMICONDUCTOR DEVICE LTD0 citations50

US11652023B2May 16, 2023

Semiconductor device including a semiconductor element with a gate electrode on only one surface

HITACHI POWER SEMICONDUCTOR DEVICE LTD0 citations50