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Inventor

Kouhei Kawanobe

Inventor
Kawagoe, JP

Overview

4→
Patents
1977–1981
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G04Gprimary
G04GElectronic time-pieces57%
G04CElectromechanical clocks or watches14%
G09GArrangements or circuits for control of indicating devices using static means to present variable information14%
H01HElectric switches14%
PatentTitleYear
4,268,913'Electronic calculator watch'19814,257,115'Switch structure for electronic timepiece'19814,150,365'Driver circuit for electrochromic display device'19794,060,974'Method and apparatus for driving electrochromic display device'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to CITIZEN WATCH CO LTD (4)· patent assignee history
1977–1981Based in Kawagoe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CITIZEN WATCH CO LTD41977–1981
Locations
LocationPatentsSpan
Kawagoe, JP41977–1981