TREA

Yoshinao USUKI

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Head mounted display
    • Patent number 6,239,771
    • Issue date May 29, 2001
    • Kabushiki Kaisha Sega Enterprises
    • Yoshinao Usuki
    • G02 - OPTICS
  • Information Patent Grant

    Head mounted display
    • Patent number 6,124,837
    • Issue date Sep 26, 2000
    • Kabushiki Kaisha Sega Enterprises
    • Yoshinao Usuki
    • G02 - OPTICS
  • Information Patent Grant

    Head mounted display
    • Patent number 5,774,096
    • Issue date Jun 30, 1998
    • Kabushiki Kaisha Sega Enterprises
    • Yoshinao Usuki
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    DEALER SUBSTITUTE DEVICE
    • Publication number 20170092075
    • Publication date Mar 30, 2017
    • UNIVERSAL ENTERTAINMENT CORPORATION
    • Yoshinao USUKI
    • G07 - CHECKING-DEVICES
  • Information Patent Application

    Medal acceptance device
    • Publication number 20050208997
    • Publication date Sep 22, 2005
    • Hirobumi Toyoda
    • A44 - HABERDASHERY JEWELLERY