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Toshikazu Hirai

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  • Ora-gun, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    PROTECTING ELEMENT HAVING FIRST AND SECOND HIGH CONCENTRATION IMPUR...
    • Publication number 20140225227
    • Publication date Aug 14, 2014
    • Semiconductor Components Industries, LLC
    • Tetsuro Asano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PROTECTING ELEMENT
    • Publication number 20120228738
    • Publication date Sep 13, 2012
    • Sanyo Electric Co., Ltd.
    • Tetsuro Asano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor device
    • Publication number 20060151816
    • Publication date Jul 13, 2006
    • SANYO ELECTRIC CO., LTD.
    • Tetsuro Asano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Protective device
    • Publication number 20050121730
    • Publication date Jun 9, 2005
    • Tetsuro Asano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Switching circuit device
    • Publication number 20040223274
    • Publication date Nov 11, 2004
    • Sanyo Electric Co., Ltd.
    • Tetsuro Asano
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    Semiconductor device
    • Publication number 20030164536
    • Publication date Sep 4, 2003
    • Koichi Hirata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Compound semiconductor device
    • Publication number 20020195617
    • Publication date Dec 26, 2002
    • Tetsuro Asano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor switching device
    • Publication number 20020187755
    • Publication date Dec 12, 2002
    • Sanyo Electric Co., Ltd.
    • Tetsuro Asano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor switching device
    • Publication number 20020185667
    • Publication date Dec 12, 2002
    • SANYO ELECTRIC CO., LTD.
    • Tetsuro Asano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor switching device
    • Publication number 20020179981
    • Publication date Dec 5, 2002
    • Sanyo Electric Co., Ltd.
    • Tetsuro Asano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor switching device
    • Publication number 20020153585
    • Publication date Oct 24, 2002
    • Tetsuro Asano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor switching device
    • Publication number 20020145169
    • Publication date Oct 10, 2002
    • Tetsuro Asano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor switching device
    • Publication number 20020117696
    • Publication date Aug 29, 2002
    • Toshikazu Hirai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Switching circuit device
    • Publication number 20020118044
    • Publication date Aug 29, 2002
    • Toshikazu Hirai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Compound semiconductor device
    • Publication number 20020047177
    • Publication date Apr 25, 2002
    • Tetsuro Asano
    • H01 - BASIC ELECTRIC ELEMENTS