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Inventor

Yuhiko Yabe

Inventor
Kasukabe, JP

Overview

6→
Patents
1979–1987
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B25Jprimary
B25JManipulators30%
G05BControl or regulating systems in general20%
F24FAir-conditioning10%
F25BRefrigeration machines, plants or systems10%
G05DSystems for controlling or regulating non-electric variables10%
H01HElectric switches10%
H02HEmergency protective circuit arrangements10%
PatentTitleYear
4,666,361'Arm driving apparatus'19874,633,414'Robot operation control system'19864,567,418'Operation control apparatus for robots'1986D0282077'Industrial robot'19864,153,922'Relay control circuit'19794,142,375'Control apparatus for air conditioning unit'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1987Patents assigned to HITACHI LTD (6)· patent assignee history
1979–1986Based in Tochigi, JP· patent location history
1986–1987Based in Kasukabe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD61979–1987
Locations
LocationPatentsSpan
Kasukabe, JP31986–1987
Tochigi, JP31979–1986