TREA

Koichi MASUZAWA

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gear box, driving device, and electronic apparatus
    • Patent number 10,890,242
    • Issue date Jan 12, 2021
    • Seiko Instruments Inc.
    • Koichi Masuzawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wheel train mechanism, gear box, driving device, and electronic app...
    • Patent number 10,731,729
    • Issue date Aug 4, 2020
    • Seiko Instruments Inc.
    • Koichi Masuzawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gear box, driving device, and electronic apparatus
    • Patent number 10,670,134
    • Issue date Jun 2, 2020
    • Seiko Precision Inc.
    • Koichi Masuzawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Blade drive device and optical apparatus
    • Patent number 9,906,699
    • Issue date Feb 27, 2018
    • Seiko Precision Inc.
    • Koichi Masuzawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Actuator
    • Patent number 9,742,256
    • Issue date Aug 22, 2017
    • SEIKO PRECISION INC.
    • Koichi Masuzawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Blade drive device and optical apparatus
    • Patent number 9,477,137
    • Issue date Oct 25, 2016
    • Seiko Precision Inc.
    • Masami Yamamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Blade drive device
    • Patent number 8,540,439
    • Issue date Sep 24, 2013
    • Seiko Precision Inc.
    • Koichi Masuzawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Blade drive device
    • Patent number 8,353,635
    • Issue date Jan 15, 2013
    • Seiko Precision Inc.
    • Koichi Masuzawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Blade drive device
    • Patent number 8,348,528
    • Issue date Jan 8, 2013
    • Seiko Precision Inc.
    • Koichi Masuzawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Imaging device with alignment means for aligning shutter unit and i...
    • Patent number 7,871,210
    • Issue date Jan 18, 2011
    • Seiko Precision Inc.
    • Koichi Masuzawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    GEAR BOX, DRIVING DEVICE, AND ELECTRONIC APPARATUS
    • Publication number 20180347681
    • Publication date Dec 6, 2018
    • SEIKO Precision Inc.
    • Koichi MASUZAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GEAR BOX, DRIVING DEVICE, AND ELECTRONIC APPARATUS
    • Publication number 20180347682
    • Publication date Dec 6, 2018
    • SEIKO Precision Inc.
    • Koichi MASUZAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    WHEEL TRAIN MECHANISM, GEAR BOX, DRIVING DEVICE, AND ELECTRONIC APP...
    • Publication number 20180347666
    • Publication date Dec 6, 2018
    • SEIKO Precision Inc.
    • Koichi MASUZAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BLADE DRIVE DEVICE AND OPTICAL APPARATUS
    • Publication number 20170075193
    • Publication date Mar 16, 2017
    • SEIKO Precision Inc.
    • Koichi MASUZAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    BLADE DRIVE DEVICE AND OPTICAL APPARATUS
    • Publication number 20160274441
    • Publication date Sep 22, 2016
    • SEIKO Precision Inc.
    • Masami YAMAMOTO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ACTUATOR
    • Publication number 20150357875
    • Publication date Dec 10, 2015
    • Seiko Precision Inc.
    • Koichi MASUZAWA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    BLADE DRIVE DEVICE
    • Publication number 20100046939
    • Publication date Feb 25, 2010
    • Seiko Precision Inc.
    • Koichi MASUZAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    BLADE DRIVE DEVICE
    • Publication number 20100046938
    • Publication date Feb 25, 2010
    • Seiko Precision Inc.
    • Koichi MASUZAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    BLADE DRIVE DEVICE
    • Publication number 20100026106
    • Publication date Feb 4, 2010
    • Seiko Precision Inc.
    • Koichi MASUZAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGING DEVICE
    • Publication number 20100014850
    • Publication date Jan 21, 2010
    • Seiko Precision Inc.
    • Koichi Masuzawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE