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HIROFUMI YUI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic musical instrument system
    • Patent number 9,633,642
    • Issue date Apr 25, 2017
    • Roland Corporation
    • Atsuo Yukawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Tuning device
    • Patent number 9,117,433
    • Issue date Aug 25, 2015
    • Roland Corporation
    • Hirofumi Yui
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Tuning device
    • Patent number 9,064,479
    • Issue date Jun 23, 2015
    • Roland Corporation
    • Hirofumi Yui
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Tuning device
    • Patent number 8,809,661
    • Issue date Aug 19, 2014
    • Roland Corporation
    • Tatsuya Seno
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC MUSICAL INSTRUMENT SYSTEM
    • Publication number 20170025112
    • Publication date Jan 26, 2017
    • ROLAND CORPORATION
    • ATSUO YUKAWA
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    TUNING DEVICE
    • Publication number 20140137720
    • Publication date May 22, 2014
    • ROLAND CORPORATION
    • HIROFUMI YUI
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    TUNING DEVICE
    • Publication number 20140041510
    • Publication date Feb 13, 2014
    • ROLAND CORPORATION
    • HIROFUMI YUI
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    TUNING DEVICE
    • Publication number 20140041509
    • Publication date Feb 13, 2014
    • ROLAND CORPORATION
    • TATSUYA SENO
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS