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Inventor

Hideki Masuhara

Inventor
Hitachinaka, JP

Overview

5→
Patents
1985–2007
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H01Fprimary
H01FMagnets38%
Y10TTechnical subjects covered by former us classification25%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes13%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
PatentTitleYear
7,286,337'Switching device for power distribution'20077,269,574'Method for supporting the orders received of transformer'20076,769,169'Method of fabricating a core for a transformer'20046,611,191'Transformer'20034,533,892'Split structure type transformer'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2007Patents assigned to HITACHI LTD (4)· patent assignee history
1985Based in Hitachi, JP· patent location history
2003–2007Based in Hitachinaka, JP· patent location history
2007Patents assigned to HITACHI ELECTRIC SYSTEMS CO LT (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41985–2007
HITACHI ELECTRIC SYSTEMS CO LT12007
Locations
LocationPatentsSpan
Hitachinaka, JP42003–2007
Hitachi, JP11985