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Inventor

Ryotomo Shirakawa

Inventor
Imaichi, JP

Overview

3→
Patents
1992–1994
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 switches33%
Y10TTechnical subjects covered by former us classification33%
A61MDevices for introducing media into, or onto, the body17%
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 tool17%
PatentTitleYear
5,338,618'Electric contact material and electric contact using said material'19945,334,294'Method of continuously processing wire material and device therefor'19945,171,643'Electric contact material and electric contact using said material'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1994Patents assigned to FURUKAWA ELECTRIC CO LTD (2)· patent assignee history
1992–1994Patents assigned to MABUCHI MOTOR CO (2)· patent assignee history
1992–1994Based in Imaichi, JP· patent location history
1994Patents assigned to FUROKAWA ELECTRIC CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FURUKAWA ELECTRIC CO LTD21992–1994
MABUCHI MOTOR CO21992–1994
FUROKAWA ELECTRIC CO LTD11994
Locations
LocationPatentsSpan
Imaichi, JP31992–1994