-
-
-
-
-
Electronic timepiece
-
Patent number 4,297,838
-
Issue date Nov 3, 1981
-
Citizen Watch Co. Ltd.
-
Minoru Watanabe
-
G04 - HOROLOGY
-
Electronic timepiece
-
Patent number 4,290,131
-
Issue date Sep 15, 1981
-
Citizen Watch Company Limited
-
Kazunari Kume
-
H03 - BASIC ELECTRONIC CIRCUITRY
-
-
-
Motor and drive for a timepiece
-
Patent number 4,199,699
-
Issue date Apr 22, 1980
-
Citizen Watch Co., Ltd.
-
Kazunari Kume
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Electronic timepiece
-
Patent number 4,196,577
-
Issue date Apr 8, 1980
-
Citizen Watch Co., Ltd.
-
Hideshi Ohno
-
G04 - HOROLOGY
-
Electronic timepiece
-
Patent number 4,175,372
-
Issue date Nov 27, 1979
-
Citizen Watch Co. Ltd.
-
Munetaka Tamaru
-
G04 - HOROLOGY
-
Electronic circuit block
-
Patent number 4,143,508
-
Issue date Mar 13, 1979
-
Citizen Watch Co. Ltd.
-
Hideshi Ohno
-
G04 - HOROLOGY