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Inventor

Shigeru Fujiya

Inventor
Hitachioota, JP

Overview

2→
Patents
1990–1994
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Bprimary
H02BBoards, substations or switching arrangements for the supply or distribution of electric power67%
H01FMagnets33%
PatentTitleYear
5,367,432'Instrument current transformer for power cables'19944,933,802'Gas insulated switchgear system having single phase reserve bus'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1994Patents assigned to HITACHI LTD (2)· patent assignee history
1990–1994Based in Hitachioota, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21990–1994
Locations
LocationPatentsSpan
Hitachioota, JP21990–1994