TREA

Hiroshi Kitagawa

Follow

Person

  • Shizuoka, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Keyboard instrument with the display device employing fingering guide
    • Patent number 6,008,783
    • Issue date Dec 28, 1999
    • Kawai Musical Instruments Manufacturing Co. Ltd.
    • Hiroshi Kitagawa
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Keyboard musical instrument with keyboard range indicator
    • Patent number 5,907,115
    • Issue date May 25, 1999
    • Kawai Musical Instruments Manufacturing Co., Ltd.
    • Hiroshi Matsunaga
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Stereophonic sound generation system using timing delay
    • Patent number 5,478,968
    • Issue date Dec 26, 1995
    • Kawai Musical Inst. Mfg. Co., Ltd.
    • Hiroshi Kitagawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic keyboard musical instrument capable of varying a musical...
    • Patent number 5,473,108
    • Issue date Dec 5, 1995
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Eiji Matsuda
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Tone signal generating apparatus for performing a timbre change by...
    • Patent number 5,428,183
    • Issue date Jun 27, 1995
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Eiji Matsuda
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,936,179
    • Issue date Jun 26, 1990
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Hiroshi Kitagawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,876,935
    • Issue date Oct 31, 1989
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Hiroshi Kitagawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,840,099
    • Issue date Jun 20, 1989
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Hiroshi Kitagawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Card operation indicator for magnetic card drive devices
    • Patent number 4,524,269
    • Issue date Jun 18, 1985
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Sadaaki Ezawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,512,230
    • Issue date Apr 23, 1985
    • Kawai Musical Instrument Mfg. Co., Ltd.
    • Sadaaki Ezawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,485,717
    • Issue date Dec 4, 1984
    • Kabushiki Kaisha Kawai Gakki Sesisakusho
    • Hiroshi Kitagawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,461,200
    • Issue date Jul 24, 1984
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Hiroshi Kitagawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,348,928
    • Issue date Sep 14, 1982
    • Kabushiki Kaishi Kawai Gakki Seisakusho
    • Noriji Sakashita
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Key assignor
    • Patent number 4,269,102
    • Issue date May 26, 1981
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Tatsunori Kondo
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Envelope waveform generator for electronic musical instruments
    • Patent number 4,201,109
    • Issue date May 6, 1980
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Hiroshi Kitagawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Key code generator
    • Patent number 4,194,425
    • Issue date Mar 25, 1980
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Hiroshi Kitagawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Electronic musical instrument
    • Patent number 4,185,529
    • Issue date Jan 29, 1980
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Hiroshi Kitagawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Key code generator
    • Patent number 4,170,768
    • Issue date Oct 9, 1979
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Hiroshi Kitagawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Key assignor
    • Patent number 4,138,916
    • Issue date Feb 13, 1979
    • Kabushiki Kaisha Kawaigakki
    • Hiroshi Kitagawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Key code generator
    • Patent number 4,138,917
    • Issue date Feb 13, 1979
    • Kabushiki Kaisha Kawai Gakki Seisakusho
    • Noriji Sakashita
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS