Inventor
FUKUTOME SATORU
JP6 patents
Patents
6 patentsUS4417113ANov 22, 1983
Structure of push-button device
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US4206590AJun 10, 1980
Electronic wristwatch case
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US3971207AJul 27, 1976
Packing means for a watch
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US4493560AJan 15, 1985
Acoustic alarm device for watches
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US4482257ANov 13, 1984
Acoustic alarm device for watches
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US4351041ASep 21, 1982
Acoustic alarm device for watches
CITIZEN WATCH CO LTD1 citations50