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Seiichi Nishiyama

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Frequency divider circuit and digital PLL circuit
    • Patent number 6,163,181
    • Issue date Dec 19, 2000
    • Sony Corporation
    • Seiichi Nishiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Clamp pulse circuit
    • Patent number 5,905,396
    • Issue date May 18, 1999
    • Sony Corporation
    • Seiichi Nishiyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Clamp pulse circuit
    • Patent number 5,875,002
    • Issue date Feb 23, 1999
    • Sony Corporation
    • Seiichi Nishiyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Display unit
    • Patent number 5,539,425
    • Issue date Jul 23, 1996
    • Sony Corporation
    • Yutaka Kamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Wide frequency range amplifier apparatus
    • Patent number 5,432,477
    • Issue date Jul 11, 1995
    • Sony Corporation
    • Seiichi Nishiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Wide-band amplifier apparatus
    • Patent number 5,337,010
    • Issue date Aug 9, 1994
    • Sony Corporation
    • Seiichi Nishiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Phase shift circuit apparatus
    • Patent number 5,317,200
    • Issue date May 31, 1994
    • Sony Corporation
    • Seiichi Nishiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Control system for peripheral devices
    • Patent number 5,294,929
    • Issue date Mar 15, 1994
    • Sony Corporation
    • Hiroshi Numata
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Wide band amplifier
    • Patent number 5,256,983
    • Issue date Oct 26, 1993
    • Sony Corporation
    • Seiichi Nishiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Wide band frequency amplifiers
    • Patent number 5,252,931
    • Issue date Oct 12, 1993
    • Sony Corporation
    • Seiichi Nishiyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Wideband amplifier
    • Patent number 5,180,989
    • Issue date Jan 19, 1993
    • Sony Corporation
    • Hisao Sakurai
    • H03 - BASIC ELECTRONIC CIRCUITRY