Inventor

Akihiko Tsukahara

Inventor

Yokohama, JP

Overview

7→

Patents

1989–1992

Patent span

Performing operations

Primary field (CPC B)

Patents· 7 as inventor

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

B60Kprimary

B60KArrangement or mounting of propulsion units or of transmissions in vehicles31%

H02HEmergency protective circuit arrangements23%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters15%

B60WConjoint control of vehicle sub-units of different type or different function8%

E05FDevices for moving wings into open or closed position8%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof8%

G05BControl or regulating systems in general8%

PatentTitleYear

5,125,471'Automatic car-speed controller'1992 5,107,947'Automatic car-speed controller'1992 5,085,286'Car-speed control system'1992 5,014,201'Automatic car-speed controller with detection of abnormality of the electromagnetic clutch'1991 4,988,931'Motor driving device'1991 4,978,898'Motor driving and malfunction detecting device'1990 4,870,333'Automatic opening and closing device for a window'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1992Patents assigned to JIDOSHA DENKI KOGYO KK (7)· patent assignee history

1989Based in Fujisawa, JP· patent location history

1990–1992Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JIDOSHA DENKI KOGYO KK	7	1989–1992

Locations

Location	Patents	Span
Yokohama, JP	6	1990–1992
Fujisawa, JP	1	1989