TREA

Ryozo Koyama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrical connecting member and electrical connector having the same
    • Patent number 9,893,450
    • Issue date Feb 13, 2018
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Connector
    • Patent number 7,850,477
    • Issue date Dec 14, 2010
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical connector
    • Patent number 7,771,236
    • Issue date Aug 10, 2010
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical connector
    • Patent number D607823
    • Issue date Jan 12, 2010
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Electrical connector
    • Patent number D589448
    • Issue date Mar 31, 2009
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Electrical connector
    • Patent number D584692
    • Issue date Jan 13, 2009
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Electrical connector
    • Patent number D584691
    • Issue date Jan 13, 2009
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Connector
    • Patent number 7,416,446
    • Issue date Aug 26, 2008
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical connector having terminals arranged with narrow pitch
    • Patent number 7,329,154
    • Issue date Feb 12, 2008
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Module mounting system
    • Patent number 6,382,983
    • Issue date May 7, 2002
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Surface-mount connector
    • Patent number 6,334,789
    • Issue date Jan 1, 2002
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit board electrical connector with latch
    • Patent number 5,938,464
    • Issue date Aug 17, 1999
    • Hirose Electric Co., Ltd.
    • Yutaka Ichimura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical connector
    • Patent number 5,888,086
    • Issue date Mar 30, 1999
    • Hirose Electric Co., Ltd.
    • Hirokatsu Yaegashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Card edge connector
    • Patent number 5,836,780
    • Issue date Nov 17, 1998
    • Hirose Electric Co., Ltd.
    • Akinori Mizumura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Modular board electrical connector
    • Patent number 5,641,295
    • Issue date Jun 24, 1997
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRICAL CONNECTING MEMBER AND ELECTRICAL CONNECTOR HAVING THE SAME
    • Publication number 20170093069
    • Publication date Mar 30, 2017
    • Hirose Electric Co., Ltd.
    • Ryozo KOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Connector
    • Publication number 20090286419
    • Publication date Nov 19, 2009
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Connector
    • Publication number 20070141901
    • Publication date Jun 21, 2007
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electrical connector
    • Publication number 20070141890
    • Publication date Jun 21, 2007
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electrical connector
    • Publication number 20070141891
    • Publication date Jun 21, 2007
    • Hirose Electric Co., Ltd.
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Card connector
    • Publication number 20030153202
    • Publication date Aug 14, 2003
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Module mounting system
    • Publication number 20010024889
    • Publication date Sep 27, 2001
    • Ryozo Koyama
    • H01 - BASIC ELECTRIC ELEMENTS