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Kiyoshi Hamada

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Patents Grantslast 30 patents

  • Information Patent Grant

    Image display
    • Patent number 6,184,627
    • Issue date Feb 6, 2001
    • Matsushita Electronics Corporation
    • Kiyoshi Hamada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Driving circuit for capacitive load
    • Patent number 6,043,570
    • Issue date Mar 28, 2000
    • Matsushita Electronics Corporation
    • Takatsugu Kurata
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Planar type display device and its driving method
    • Patent number 5,270,617
    • Issue date Dec 14, 1993
    • Matsushita Electric Industrial Co., Ltd.
    • Kinzo Nonomura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Flat tube display apparatus
    • Patent number 5,227,691
    • Issue date Jul 13, 1993
    • Matsushita Electric Industrial Co., Ltd.
    • Ryuichi Murai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Image display device
    • Patent number 5,177,410
    • Issue date Jan 5, 1993
    • Matsushita Electric Industrial Co., Ltd.
    • Jumpei Hashiguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Flat display panel assembly
    • Patent number 5,175,467
    • Issue date Dec 29, 1992
    • Matsushita Electric Industrial Co., Ltd.
    • Fumio Yamazaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Wire shaped electron source
    • Patent number 5,172,027
    • Issue date Dec 15, 1992
    • Matsushita Electric Industrial Co., Ltd.
    • Kinzo Nonomura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Flat panel display device
    • Patent number 5,083,058
    • Issue date Jan 21, 1992
    • Matsushita Electric Industrial Co., Ltd.
    • Kinzo Nonomura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of driving image display device
    • Patent number 5,061,880
    • Issue date Oct 29, 1991
    • Matsushita Electric Industrial Co., Ltd.
    • Jumpei Hashiguchi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Image display apparatus
    • Patent number 5,017,842
    • Issue date May 21, 1991
    • Matsushita Electric Industrial Co., Ltd.
    • Kiyoshi Hamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Display device and method of driving the same
    • Patent number 4,816,724
    • Issue date Mar 28, 1989
    • Matsushita Electric Industrial Co., Ltd.
    • Kiyoshi Hamada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method of driving a flat type of cathode ray tube to provide unifor...
    • Patent number 4,694,225
    • Issue date Sep 15, 1987
    • Matsushita Electric Industrial Co., Ltd.
    • Kaoru Tomii
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Apparatus and method of operation for an electron beam source
    • Patent number 4,651,058
    • Issue date Mar 17, 1987
    • Matsushita Electric Industrial Co., Ltd.
    • Kiyoshi Hamada
    • H01 - BASIC ELECTRIC ELEMENTS