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Inventor

Toshikazu Shimazaki

Inventor
Tanashi, JP

Overview

5→
Patents
1979–1981
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G04Gprimary
G04GElectronic time-pieces38%
G04CElectromechanical clocks or watches25%
B41JTypewriters13%
G04BMechanically-driven clocks or watches13%
H01HElectric switches13%
PatentTitleYear
4,268,182'Device for detecting travel condition of inkribbon for printers'19814,268,913'Electronic calculator watch'19814,257,118'Watch case'19814,257,115'Switch structure for electronic timepiece'19814,173,862'Booster circuit for electronic timepiece'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to DAIGO KUNIHIRO (1)· patent assignee history
1979Patents assigned to HATUSE TOSHIKAZU (1)· patent assignee history
1979Patents assigned to MOROKAWA SHIGERU (1)· patent assignee history
1979Patents assigned to NAKAGIRI TADAHIKO (1)· patent assignee history
1979–1981Based in Tanashi, JP· patent location history
1981Patents assigned to CITIZEN WATCH CO LTD (4)· patent assignee history
1981Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CITIZEN WATCH CO LTD41981
DAIGO KUNIHIRO11979
HATUSE TOSHIKAZU11979
MOROKAWA SHIGERU11979
NAKAGIRI TADAHIKO11979
Locations
LocationPatentsSpan
Tanashi, JP41979–1981
Tokyo, JP11981