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Kenichi Tatehara

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Current summing digital-to-analog converter
    • Patent number 7,173,553
    • Issue date Feb 6, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Kazuyuki Ohmi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Laser diode driving device
    • Patent number 7,046,706
    • Issue date May 16, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Kenichi Tatehara
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor device
    • Patent number 6,967,381
    • Issue date Nov 22, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Kenichi Tatehara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 6,921,950
    • Issue date Jul 26, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Kenichi Tatehara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Laser drive device
    • Patent number 6,717,968
    • Issue date Apr 6, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Kenichi Tatehara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Laser drive device
    • Patent number 6,490,301
    • Issue date Dec 3, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Kenichi Tatehara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High-precision D-A converter circuit
    • Patent number 6,469,647
    • Issue date Oct 22, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Norihide Kinugasa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Semiconductor laser diode driving device and driving method
    • Patent number 6,339,579
    • Issue date Jan 15, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Yuichi Kamioka
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    CURRENT DRIVING DEVICE
    • Publication number 20110317729
    • Publication date Dec 29, 2011
    • Takeshi MATSUMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    D/A converter, and A/D converter and signal converter using the same
    • Publication number 20060114142
    • Publication date Jun 1, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Kazuyuki Ohmi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Semiconductor device
    • Publication number 20040252427
    • Publication date Dec 16, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Kenichi Tatehara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Laser diode driving device
    • Publication number 20040125837
    • Publication date Jul 1, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Kenichi Tatehara
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Semiconductor device
    • Publication number 20030094969
    • Publication date May 22, 2003
    • Matsushita Electric Co., Ltd.
    • Kenichi Tatehara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Laser drive device
    • Publication number 20030086456
    • Publication date May 8, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Kenichi Tatehara
    • H01 - BASIC ELECTRIC ELEMENTS