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Inventor

Eiichi Takayanagi

Inventor
Yokosuka, JP

Overview

3→
Patents
1977–1983
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Hprimary
H01HElectric switches40%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
4,367,382'Vacuum circuit breaker'19834,345,130'Electrical contact'19824,027,134'Electrode for electrical discharge machining'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1983Patents assigned to TOKYO SHIBAURA ELECTRIC CO (3)· patent assignee history
1977Based in Yokohama, JP· patent location history
1982–1983Based in Yokosuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO SHIBAURA ELECTRIC CO31977–1983
Locations
LocationPatentsSpan
Yokosuka, JP21982–1983
Yokohama, JP11977