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Yoshikawa RF Systems Co., Ltd.

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Organization

  • Kitakyushu-shi, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Data carrier and data carrier system
    • Patent number 8,497,763
    • Issue date Jul 30, 2013
    • Yoshikawa RF Systems Co., Ltd.
    • Kikuzo Sawada
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Data carrier and data carrier system
    • Patent number 8,109,445
    • Issue date Feb 7, 2012
    • Yoshikawa RF Systems Co., Ltd.
    • Kikuzo Sawada
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Data carrier and data carrier system
    • Patent number 7,834,753
    • Issue date Nov 16, 2010
    • Yoshikawa RF Systems Co., Ltd.
    • Yoshikazu Sugawara
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Loop antenna device
    • Patent number 7,142,163
    • Issue date Nov 28, 2006
    • Seiko Epson Corporation
    • Takakazu Fukano
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Data carrier system
    • Patent number 6,118,367
    • Issue date Sep 12, 2000
    • Yoshikawa RF Systems Co., Ltd.
    • Eiichi Ishii
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    DATA CARRIER AND DATA CARRIER SYSTEM
    • Publication number 20100243731
    • Publication date Sep 30, 2010
    • YOSHIKAWA RF SYSTEMS CO., LTD.
    • Kikuzo Sawada
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DATA CARRIER AND DATA CARRIER SYSTEM
    • Publication number 20100052860
    • Publication date Mar 4, 2010
    • YOSHIKAWA RF SYSTEMS CO., LTD.
    • Kikuzo Sawada
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DATA CARRIER AND DATA CARRIER SYSTEM
    • Publication number 20090314830
    • Publication date Dec 24, 2009
    • YOSHIKAWA RF SYSTEMS Co., Ltd.
    • Kikuzo Sawada
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Data carrier and data carrier system
    • Publication number 20080100415
    • Publication date May 1, 2008
    • Yoshikawa RF Systems Co., Ltd.
    • Yoshikazu Sugawara
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Loop antenna device
    • Publication number 20050134519
    • Publication date Jun 23, 2005
    • Seiko Epson Corporation
    • Takakazu Fukano
    • G06 - COMPUTING CALCULATING COUNTING