Inventor

FUJIWARA KOHEI

JP4 patents

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

MITSUBISHI ELECTRIC CORP

1 patent

US4346356AAug 24, 1982

Circuit breaker with increased contact separation

MITSUBISHI ELECTRIC CORP18 citations70

TOKYO METRO IND TECH RES INST

1 patent

US10649013B2May 12, 2020

Frequency converter, measuring system, and measuring method

TOKYO METRO IND TECH RES INST2 citations69

UNIV TOHOKU

1 patent

US11543468B2Jan 3, 2023

Hall element

UNIV TOHOKU0 citations57

FUJIWARA KOHEI

1 patent

US9400316B2Jul 26, 2016

Electric current-spin current conversion device

FUJIWARA KOHEI1 citations38