Inventor

Norio Fujisawa

Inventor

Fuchu, JP

Overview

5→

Patents

1981–1989

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.

H02Hprimary

H02HEmergency protective circuit arrangements25%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general13%

F21SNon-portable lighting devices13%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%

G11CStatic stores13%

H03CModulation13%

H04LTransmission of digital information, e.g. telegraphic communication13%

PatentTitleYear

4,872,745'Cover for car lamps'1989 4,695,931'Voltage/frequency converter with frequency drift compensation loop'1987 4,371,947'ROM Controlled protective relay system for power transmission network'1983 4,370,571'Relay device'1983 4,276,605'Method and apparatus for supervising a digital protective relaying system'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1983Patents assigned to TOKYO SHIBAURA ELECTRIC CO (3)· patent assignee history

1981–1983Based in Fuchu, JP· patent location history

1987Patents assigned to TOSHIBA KK (1)· patent assignee history

1987Based in Tokyo, JP· patent location history

1989Patents assigned to TOYODA GOSEI KK (1)· patent assignee history

1989Based in Aichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOKYO SHIBAURA ELECTRIC CO	3	1981–1983
TOSHIBA KK	1	1987
TOYODA GOSEI KK	1	1989

Locations

Location	Patents	Span
Fuchu, JP	3	1981–1983
Aichi, JP	1	1989
Tokyo, JP	1	1987