Inventor

TOOYAMA EIJI

JP5 patents

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

HITACHI LTD

2 patents

US4347564AAug 31, 1982

Hierarchical-structure plant control system

HITACHI LTD81 citations94

US4232206ANov 4, 1980

Signal transmission control system

HITACHI LTD5 citations59

DAIKIN IND LTD

2 patents

US9853559B2Dec 26, 2017

Power conversion device with reduced current deviation

DAIKIN IND LTD13 citations82

US10511233B2Dec 17, 2019

Current estimating device

DAIKIN IND LTD2 citations66

TOOYAMA EIJI

1 patent

US9257931B2Feb 9, 2016

Power conversion apparatus

TOOYAMA EIJI16 citations79