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Inventor

Toyonaru Tanaka

Inventor
Tokyo, JP

Overview

3→
Patents
1980–1999
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G04Gprimary
G04GElectronic time-pieces40%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general20%
G01RMeasuring electric variables20%
H01HElectric switches20%
PatentTitleYear
5,900,599'Switch for display'19994,293,842'Electronic display device for use in motor cars'19814,201,041'Digital electronic timepiece having a time correcting means'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1981Patents assigned to JECO KK (2)· patent assignee history
1980–1981Based in Tokyo, JP· patent location history
1999Patents assigned to NIHON KAIHEIKI IND CO LTD (1)· patent assignee history
1999Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JECO KK21980–1981
NIHON KAIHEIKI IND CO LTD11999
Locations
LocationPatentsSpan
Tokyo, JP21980–1981
Kawasaki, JP11999