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Toshinari Maeda

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic watch
    • Patent number 11,681,260
    • Issue date Jun 20, 2023
    • Citizen Watch Co., Ltd.
    • Toshinari Maeda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Step motor drive device and circuit
    • Patent number 11,422,511
    • Issue date Aug 23, 2022
    • Citizen Watch Co., Ltd.
    • Yu Takyoh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrostatic motor
    • Patent number 11,303,225
    • Issue date Apr 12, 2022
    • Citizen Watch Co., Ltd.
    • Toshinari Maeda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Method of manufacturing an electrostatic induction transducer, elec...
    • Patent number 11,101,748
    • Issue date Aug 24, 2021
    • Citizen Watch Co., Ltd.
    • Toshinari Maeda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drive circuit for two-coil step motor
    • Patent number 11,086,273
    • Issue date Aug 10, 2021
    • Citizen Watch Co., Ltd.
    • Yu Takyoh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electronic watch
    • Patent number 10,754,299
    • Issue date Aug 25, 2020
    • Citizen Watch Co., Ltd.
    • Yu Takyoh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drive circuit for two-coil step motor, two-coil step motor, and ele...
    • Patent number 10,545,459
    • Issue date Jan 28, 2020
    • Citizen Watch Co., Ltd.
    • Yu Takyoh
    • G04 - HOROLOGY
  • Information Patent Grant

    Drive circuit for two-coil step motor
    • Patent number 10,197,972
    • Issue date Feb 5, 2019
    • Citizen Watch Co., Ltd.
    • Toshiaki Fukushima
    • G04 - HOROLOGY
  • Information Patent Grant

    Wrist watch oscillating step motor with sweep motion
    • Patent number 9,529,330
    • Issue date Dec 27, 2016
    • Citizen Holdings Co., Ltd.
    • Toshiaki Fukushima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electronic watch
    • Patent number 8,841,875
    • Issue date Sep 23, 2014
    • Citizen Holdings Co., Ltd.
    • Yu Takyo
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Magnetic drive apparatus
    • Patent number 7,573,172
    • Issue date Aug 11, 2009
    • Citizen Holdings Co., Ltd.
    • Toshinari Maeda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Magnetic drive device
    • Patent number 7,476,998
    • Issue date Jan 13, 2009
    • Citizen Holdings Co., Ltd.
    • Toshinari Maeda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    MOBILE DEVICE
    • Publication number 20220026853
    • Publication date Jan 27, 2022
    • Citizen Watch Co., Ltd.
    • Masato TAKAHASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    STEP MOTOR DRIVE DEVICE AND CIRCUIT
    • Publication number 20200333749
    • Publication date Oct 22, 2020
    • CITIZEN WATCH CO., LTD.
    • Yu TAKYOH
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    METHOD OF MANUFACTURING AN ELECTROSTATIC INDUCTION TRANSDUCER, ELEC...
    • Publication number 20200144937
    • Publication date May 7, 2020
    • CITIZEN WATCH CO., LTD.
    • Toshinari MAEDA
    • G04 - HOROLOGY
  • Information Patent Application

    ELECTRONIC WATCH
    • Publication number 20200081404
    • Publication date Mar 12, 2020
    • Citizen Watch Co., Ltd.
    • Toshinari MAEDA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTROSTATIC MOTOR
    • Publication number 20200076327
    • Publication date Mar 5, 2020
    • Citizen Watch Co., Ltd.
    • Toshinari MAEDA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVE CIRCUIT FOR TWO-COIL STEP MOTOR
    • Publication number 20200019124
    • Publication date Jan 16, 2020
    • CITIZEN WATCH CO., LTD.
    • Yu TAKYOH
    • G04 - HOROLOGY
  • Information Patent Application

    ELECTRONIC WATCH
    • Publication number 20190041804
    • Publication date Feb 7, 2019
    • Citizen Watch Co., Ltd.
    • Yu TAKYOH
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVE CIRCUIT FOR TWO-COIL STEP MOTOR, TWO-COIL STEP MOTOR, AND ELE...
    • Publication number 20180246471
    • Publication date Aug 30, 2018
    • Citizen Watch Co., Ltd.
    • Yu TAKYOH
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVE CIRCUIT FOR TWO-COIL STEP MOTOR
    • Publication number 20170357216
    • Publication date Dec 14, 2017
    • Citizen Watch Co., Ltd.
    • Toshiaki FUKUSHIMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    OSCILLATING STEPPING MOTOR
    • Publication number 20130162060
    • Publication date Jun 27, 2013
    • Toshiaki Fukushima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRONIC WATCH
    • Publication number 20120204640
    • Publication date Aug 16, 2012
    • CITIZEN WATCH CO., LTD
    • Yu Takyo
    • G04 - HOROLOGY
  • Information Patent Application

    Magnetic drive device
    • Publication number 20070273217
    • Publication date Nov 29, 2007
    • Citizen Watch Co., Ltd.
    • Toshinari Maeda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Magnetic drive apparatus
    • Publication number 20070194647
    • Publication date Aug 23, 2007
    • Citizen Watch Co., Ltd.
    • Toshinari Maeda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER