Inventor

WAJIMA KOICHI

JP3 patents

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

HITACHI LTD

2 patents

US3947864AMar 30, 1976

Diode-integrated thyristor

HITACHI LTD19 citations71

US4210924AJul 1, 1980

Semiconductor controlled rectifier with configured cathode to eliminate hot-spots

HITACHI LTD2 citations55

UNIV KEIO

1 patent

US9681837B2Jun 20, 2017

Central sensitization diagnosis device and method for operating same

UNIV KEIO0 citations30