P

Inventor

SUGA NORIYOSHI

JP7 patents
⚠️ This page may combine multiple inventors who share the name “SUGA NORIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

3 patents
US4825326AApr 25, 1989

Digital calculation type differential relay

TOSHIBA KK38 citations91
US6845301B2Jan 18, 2005

System for protecting and controlling substation main circuit components

TOSHIBA KK51 citations88
US6954704B2Oct 11, 2005

Digital protection and control device

TOSHIBA KK29 citations87

TOKYO SHIBAURA ELECTRIC CO

2 patents
US4507700AMar 26, 1985

Protective relaying system

TOKYO SHIBAURA ELECTRIC CO15 citations72
US4468796AAug 28, 1984

Frequency relay for use in the protection of electric power transmission lines

TOKYO SHIBAURA ELECTRIC CO18 citations71

SHIRAKAWA HIROYUKI

1 patent
US8861163B2Oct 14, 2014

Protection relay

SHIRAKAWA HIROYUKI1 citations42

YANAGIHASHI YUSUKE

1 patent
US9275793B2Mar 1, 2016

Current input converter

YANAGIHASHI YUSUKE0 citations31