-
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Floppy disk drive
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Patent number 4,669,010
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Issue date May 26, 1987
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Citizen Watch Co., Ltd.
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Kazunari Kume
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G11 - INFORMATION STORAGE
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Small electronic timers
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Patent number 4,492,479
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Issue date Jan 8, 1985
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Citizen Watch Co., Ltd.
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Toshikazu Hatsuse
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G04 - HOROLOGY
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-
-
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Electronic timepiece
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Patent number 4,297,838
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Issue date Nov 3, 1981
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Citizen Watch Co. Ltd.
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Minoru Watanabe
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G04 - HOROLOGY
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Electronic timepiece
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Patent number 4,290,131
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Issue date Sep 15, 1981
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Citizen Watch Company Limited
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Kazunari Kume
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H03 - BASIC ELECTRONIC CIRCUITRY
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-
-
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Timepiece
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Patent number 4,232,510
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Issue date Nov 11, 1980
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Citizen Watch Co., Ltd.
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Munetaka Tamaru
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G04 - HOROLOGY
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Electronic timepiece
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Patent number 4,209,970
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Issue date Jul 1, 1980
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Citizen Watch Co., Ltd.
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Kazunari Kume
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G04 - HOROLOGY
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Motor and drive for a timepiece
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Patent number 4,199,699
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Issue date Apr 22, 1980
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Citizen Watch Co., Ltd.
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Kazunari Kume
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Electronic timepiece
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Patent number 4,196,577
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Issue date Apr 8, 1980
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Citizen Watch Co., Ltd.
-
Hideshi Ohno
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G04 - HOROLOGY
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Electronic timepiece
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Patent number 4,194,351
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Issue date Mar 25, 1980
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Citizen Watch Co., Ltd.
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Kazunari Kume
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G04 - HOROLOGY
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-
Electronic timepiece
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Patent number 4,175,372
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Issue date Nov 27, 1979
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Citizen Watch Co. Ltd.
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Munetaka Tamaru
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G04 - HOROLOGY