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Hiroki Kitagawa

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Audio signal processing device, audio signal processing method, and...
    • Patent number 12,046,258
    • Issue date Jul 23, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hiroki Kitagawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Method and apparatus for inspecting semiconductor device
    • Patent number 7,852,102
    • Issue date Dec 14, 2010
    • Panasonic Corporation
    • Hiroki Kitagawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Low-pressure mercury vapor lamp with an adhering unit to improve lu...
    • Patent number 7,598,662
    • Issue date Oct 6, 2009
    • Panasonic Corporation
    • Masahiro Miki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D577138
    • Issue date Sep 16, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D576749
    • Issue date Sep 9, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp and manufacturing method for arc tube
    • Patent number 7,414,358
    • Issue date Aug 19, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Shiro Iida
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D574093
    • Issue date Jul 29, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D574094
    • Issue date Jul 29, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Compact self-ballasted fluorescent lamp having a circuit board with...
    • Patent number 7,394,189
    • Issue date Jul 1, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D570002
    • Issue date May 27, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Base for fluorescent lamp
    • Patent number D560023
    • Issue date Jan 15, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Base for fluorescent lamp
    • Patent number D558917
    • Issue date Jan 1, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Base for fluorescent lamp
    • Patent number D558916
    • Issue date Jan 1, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D557859
    • Issue date Dec 18, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D557861
    • Issue date Dec 18, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D557860
    • Issue date Dec 18, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D557858
    • Issue date Dec 18, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Base for fluorescent lamp
    • Patent number D557452
    • Issue date Dec 11, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D556943
    • Issue date Dec 4, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent-lamp driving apparatus adopting high-frequency inverter...
    • Patent number 7,042,168
    • Issue date May 9, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Kitagawa
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Compact self-ballasted fluorescent lamp resistant to heat deformation
    • Patent number 6,984,926
    • Issue date Jan 10, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Yuji Tsuneto
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents