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Masashi Sangen

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  • Kobe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circular fluorescent lamp
    • Patent number 5,723,939
    • Issue date Mar 3, 1998
    • Matsushita Electronics Corporation
    • Ikuhiro Okuno
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D383224
    • Issue date Sep 2, 1997
    • Matsushita Electronics Corporation
    • Masashi Sangen
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D379673
    • Issue date Jun 3, 1997
    • Matsushita Electronics Corporation
    • Masashi Sangen
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D377690
    • Issue date Jan 28, 1997
    • Matsushita Electronics Corporation
    • Takeshi Matsumura
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D376858
    • Issue date Dec 24, 1996
    • Matsushita Electronics Corporation
    • Takeshi Matsumura
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D365885
    • Issue date Jan 2, 1996
    • Matsushita Electronics Corporation
    • Masashi Sangen
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D356874
    • Issue date Mar 28, 1995
    • Matsushita Electronics Corporation
    • Masashi Sangen
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D353902
    • Issue date Dec 27, 1994
    • Matsushita Electronics Corp.
    • Masashi Sangen
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D353900
    • Issue date Dec 27, 1994
    • Matsushita Electronics Corporation
    • Masashi Sangen
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D353901
    • Issue date Dec 27, 1994
    • Matsushita Electronics Corporation
    • Masashi Sangen
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D314629
    • Issue date Feb 12, 1991
    • Matsushita Electronics Corporation
    • Masashi Sangen
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D303297
    • Issue date Sep 5, 1989
    • Matsushita Electronics Corporation
    • Masashi Sangen
    • D26 - Lighting
  • Information Patent Grant

    Compact self-ballasted fluorescent lamp
    • Patent number D302733
    • Issue date Aug 8, 1989
    • Matsushita Electric Industrial Co., Ltd.
    • Masashi Sangen
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp device with incandescent bulb type base cap
    • Patent number 4,841,193
    • Issue date Jun 20, 1989
    • Matsushita Electronics Corporation
    • Naoyuki Nakamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D295082
    • Issue date Apr 5, 1988
    • Matsushita Electrical Industrial Co., Ltd.
    • Naoyuki Nakamura
    • D26 - Lighting
  • Information Patent Grant

    Fluorescent lamp
    • Patent number D295083
    • Issue date Apr 5, 1988
    • Matsushita Electric Industrial Co., Ltd.
    • Naoyuki Nakamura
    • D26 - Lighting