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Electronic watch
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Patent number 11,656,580
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Issue date May 23, 2023
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Citizen Watch Co., Ltd.
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Shogo Kimura
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G04 - HOROLOGY
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Motor drive unit of a DC electric motor
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Patent number 11,012,014
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Issue date May 18, 2021
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The Swatch Group Research and Development Ltd.
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Laurent Nagy
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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-
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Regulating body for a wristwatch
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Patent number 9,746,831
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Issue date Aug 29, 2017
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Richemont International SA
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Daho Taghezout
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electronic watch
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Patent number 9,342,055
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Issue date May 17, 2016
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Citizen Holdings Co., Ltd.
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Tsuneharu Kasai
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G04 - HOROLOGY
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Electronic watch
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Patent number 5,197,045
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Issue date Mar 23, 1993
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Seiko Epson Corporation
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Osamu Miyazawa
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G04 - HOROLOGY
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Electronic timepiece
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Patent number 4,916,676
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Issue date Apr 10, 1990
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Seiko Epson Corporation
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Osamu Miyazawa
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G04 - HOROLOGY
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Intermittent drive arrangement
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Patent number 4,492,905
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Issue date Jan 8, 1985
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Jean-Francois Pfister
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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-
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Electromagnetic driving device
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Patent number 4,152,613
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Issue date May 1, 1979
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Seiko Koki Kabushiki Kaisha
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Kiyoshi Kitai
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Synchronous motor
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Patent number 4,095,130
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Issue date Jun 13, 1978
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Kabushiki Kaisha Seikosha
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Kenji Oshima
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electronic timepiece
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Patent number 4,079,582
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Issue date Mar 21, 1978
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Citizen Watch Co., Ltd.
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Munetaka Tamaru
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G04 - HOROLOGY
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Electrical micromotor
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Patent number 4,079,279
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Issue date Mar 14, 1978
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Portescap
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Claude Oudet
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Synchronous motor
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Patent number 4,061,936
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Issue date Dec 6, 1977
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The Scott & Fetzer Co.
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Lee A. Woolley
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Rotor of a micro motor
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Patent number 4,035,677
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Issue date Jul 12, 1977
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Kabushiki Kaisha Daini Seikosha
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Takaji Kusayama
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER