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Hirotaka Otsuka

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for processing image signal
    • Patent number 4,692,811
    • Issue date Sep 8, 1987
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroyoshi Tsuchiya
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method and apparatus for processing image signal
    • Patent number 4,551,768
    • Issue date Nov 5, 1985
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroyoshi Tsuchiya
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method and apparatus for processing video signals
    • Patent number 4,538,184
    • Issue date Aug 27, 1985
    • Matsushita Electric Industrial Company, Limited
    • Hirotaka Otsuka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Variable density scanner
    • Patent number 4,502,081
    • Issue date Feb 26, 1985
    • Matsushita Electric Industrial Co., Ltd.
    • Hirotaka Otsuka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE