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Kazumi URATSUJI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Socket for semiconductor device
    • Patent number 7,568,918
    • Issue date Aug 4, 2009
    • Yamaichi Electronics Co., Ltd.
    • Kazumi Uratsuji
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Semiconductor device-socket
    • Patent number 6,824,395
    • Issue date Nov 30, 2004
    • Yamaichi Electronics Co., Ltd.
    • Kazumi Uratsuji
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Contact pin module and testing device provided with the same
    • Patent number 6,709,279
    • Issue date Mar 23, 2004
    • Yamaichi Electronics Co., Ltd.
    • Kazumi Uratsuji
    • G01 - MEASURING TESTING
  • Information Patent Grant

    IC carrier
    • Patent number 5,885,101
    • Issue date Mar 23, 1999
    • Yamaichi Electronics Co., Ltd.
    • Noriyuki Matsuoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Contact agency interposed between IC and IC receptacle
    • Patent number 5,789,804
    • Issue date Aug 4, 1998
    • Yamaichi Electronics Co., Ltd.
    • Noriyuki Matsuoka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    IC carrier
    • Patent number 5,738,528
    • Issue date Apr 14, 1998
    • Yamaichi Electronics Co., Ltd.
    • Noriyuki Matsuoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    IC socket
    • Patent number 5,685,725
    • Issue date Nov 11, 1997
    • Yamaichi Electronics Co., Ltd.
    • Kazumi Uratsuji
    • G01 - MEASURING TESTING
  • Information Patent Grant

    IC socket
    • Patent number 5,683,262
    • Issue date Nov 4, 1997
    • Yamaichi Electronics Co., Ltd.
    • Noriyuki Matsuoka
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Contact structure for IC socket
    • Patent number 5,646,442
    • Issue date Jul 8, 1997
    • Yamaichi Electronics Co., Ltd.
    • Shunji Abe
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Contacting structure with respect to spherical bump
    • Patent number 5,641,945
    • Issue date Jun 24, 1997
    • Yamaichi Electronics Co., Ltd.
    • Shunji Abe
    • G01 - MEASURING TESTING
  • Information Patent Grant

    IC socket
    • Patent number 5,628,645
    • Issue date May 13, 1997
    • Yamaichi Electronics Co., Ltd.
    • Noriyuki Matsuoka
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    IC carrier
    • Patent number 5,493,150
    • Issue date Feb 20, 1996
    • Yamaichi Electronics Co., Ltd.
    • Noriyuki Matsuoka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    IC carrier
    • Patent number 5,476,174
    • Issue date Dec 19, 1995
    • Yamaichi Electronics Co., Ltd.
    • Kazumi Uratsuji
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    IC socket
    • Patent number 5,374,197
    • Issue date Dec 20, 1994
    • Yamaichi Electronics Co. Ltd.
    • Kazumi Uratsuji
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Connector for leadless IC package
    • Patent number 5,320,559
    • Issue date Jun 14, 1994
    • Yamaichi Electric Co., Ltd.
    • Kazumi Uratsuji
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Connector for electric part
    • Patent number 5,320,550
    • Issue date Jun 14, 1994
    • Yamaichi Electric Co., Ltd.
    • Kazumi Uratsuji
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Socket for electric part
    • Patent number 5,304,072
    • Issue date Apr 19, 1994
    • Yamaichi Electronics Co., Ltd.
    • Shuuji Kunioka
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Socket for electric part
    • Patent number 5,261,832
    • Issue date Nov 16, 1993
    • Yamaichi Electric Co., Ltd.
    • Kazumi Uratsuji
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Connector
    • Patent number 5,240,421
    • Issue date Aug 31, 1993
    • Yamaichi Electronics Co., Ltd.
    • Kazumi Uratsuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Connector
    • Patent number 5,213,531
    • Issue date May 25, 1993
    • Yamachi Electric Co., Ltd.
    • Noriyuki Matsuoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Three-way nip contact type contractor
    • Patent number 5,213,530
    • Issue date May 25, 1993
    • Yamaichi Electric Co., Ltd.
    • Kazumi Uratsuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Mount-to-contact type contact
    • Patent number 5,199,883
    • Issue date Apr 6, 1993
    • Yamaichi Electric Co., Ltd.
    • Kazumi Uratsuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Socket for electric part
    • Patent number 5,195,903
    • Issue date Mar 23, 1993
    • Yamaichi Electric Co., Ltd.
    • Kazumi Uratsuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Socket for electric part
    • Patent number 5,192,221
    • Issue date Mar 9, 1993
    • Yamaichi Electric Co., Ltd.
    • Noriyuki Matsuoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Connector
    • Patent number 5,186,642
    • Issue date Feb 16, 1993
    • Yamaichi Electric Co., Ltd.
    • Noriyuki Matsuoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Socket for electric part
    • Patent number 5,186,641
    • Issue date Feb 16, 1993
    • Yamaichi Electric Co., Ltd.
    • Kazumi Uratsuji
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Socket for electric part
    • Patent number 5,167,515
    • Issue date Dec 1, 1992
    • Yamaichi Electric Co., Ltd.
    • Noriyuki Matsuoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Socket for electric part
    • Patent number 5,147,212
    • Issue date Sep 15, 1992
    • Yamaichi Electric Co., Ltd.
    • Kazumi Uratsuji
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    IC carrier with shaft coupling
    • Patent number 5,109,980
    • Issue date May 5, 1992
    • Yamaichi Electric Mfg. Co., Ltd.
    • Noriyuki Matsuoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    IC socket
    • Patent number 5,106,309
    • Issue date Apr 21, 1992
    • Yamaichi Electric Mfg. Co., Ltd.
    • Noriyuki Matsuoka
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents