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Keiichi Ito

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  • Moriguchi-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gradation correction apparatus
    • Patent number 7,034,896
    • Issue date Apr 25, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Keiichi Ito
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Apparatus for processing luminance signal
    • Patent number 6,967,692
    • Issue date Nov 22, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Yuki Kakuya
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Signal processor
    • Patent number 6,965,417
    • Issue date Nov 15, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Hidetoshi Suzuki
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Gradation correction circuit, and γ correction apparatus
    • Patent number 6,636,229
    • Issue date Oct 21, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Katsuya Ishikawa
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Dynamic gamma correction apparatus
    • Patent number 6,633,343
    • Issue date Oct 14, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Keiichi Ito
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents