TREA

Kazutaka Imai

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable timepiece
    • Patent number 8,333,503
    • Issue date Dec 18, 2012
    • Seiko Instruments Inc.
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Grant

    Portable timepiece
    • Patent number 8,333,502
    • Issue date Dec 18, 2012
    • Seiko Instruments Inc.
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Grant

    Portable timepiece
    • Patent number 8,333,504
    • Issue date Dec 18, 2012
    • Seiko Instruments Inc.
    • Yoshio Hozumi
    • G04 - HOROLOGY
  • Information Patent Grant

    Timepiece
    • Patent number 8,325,565
    • Issue date Dec 4, 2012
    • Seiko Instruments Inc.
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Grant

    Watch
    • Patent number 8,272,778
    • Issue date Sep 25, 2012
    • Seiko Instruments Inc.
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Grant

    Portable device and portable watch
    • Patent number 8,235,587
    • Issue date Aug 7, 2012
    • Seiko Instruments Inc.
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Grant

    Portable watch
    • Patent number 7,976,214
    • Issue date Jul 12, 2011
    • Seiko Instruments Inc.
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Grant

    Portable timepiece
    • Patent number 7,815,365
    • Issue date Oct 19, 2010
    • Seiko Instruments Inc.
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Grant

    Portable apparatus and portable timepiece having a push button
    • Patent number 7,744,272
    • Issue date Jun 29, 2010
    • Seiko Instruments Inc.
    • Yoshio Hozumi
    • G04 - HOROLOGY
  • Information Patent Grant

    Timepiece having rotatable and detachable bezel
    • Patent number 7,614,785
    • Issue date Nov 10, 2009
    • Seiko Instruments Inc.
    • Haruki Hiranuma
    • G04 - HOROLOGY

Patents Applicationslast 30 patents

  • Information Patent Application

    Timepiece
    • Publication number 20110228645
    • Publication date Sep 22, 2011
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Application

    Windup portable timepiece and method of operating crown with which...
    • Publication number 20110051564
    • Publication date Mar 3, 2011
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Application

    Portable timepiece
    • Publication number 20110051570
    • Publication date Mar 3, 2011
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Application

    Portable timepiece
    • Publication number 20110051572
    • Publication date Mar 3, 2011
    • Yoshio Hozumi
    • G04 - HOROLOGY
  • Information Patent Application

    Portable timepiece
    • Publication number 20110051571
    • Publication date Mar 3, 2011
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Application

    Watch
    • Publication number 20100220560
    • Publication date Sep 2, 2010
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Application

    Portable device and portable watch
    • Publication number 20100142333
    • Publication date Jun 10, 2010
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Application

    Portable watch
    • Publication number 20100142332
    • Publication date Jun 10, 2010
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Application

    Portable timepiece
    • Publication number 20090135682
    • Publication date May 28, 2009
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Application

    Timepiece
    • Publication number 20090040882
    • Publication date Feb 12, 2009
    • Haruki Hiranuma
    • G04 - HOROLOGY
  • Information Patent Application

    Portable apparatus and portable timepiece
    • Publication number 20090040881
    • Publication date Feb 12, 2009
    • Yoshio Hozumi
    • G04 - HOROLOGY