TREA

KAWAI GAKKI SEISAKUSHO CO

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  • SHIZUOKA PREF, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Regulating rule for grand pianos
    • Patent number 5,159,762
    • Issue date Nov 3, 1992
    • Kawai Gakki Seisakusho Co., Ltd.
    • Noriyuki Sakakibara
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Keyboard device of electronic keyboard musical instrument
    • Patent number 5,131,308
    • Issue date Jul 21, 1992
    • Kawai Gakki Seisakusho Co., Ltd.
    • Masanori Katsuta
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Opening/closing apparatus of keyboard cover
    • Patent number 5,056,396
    • Issue date Oct 15, 1991
    • Kawai Gakki Seisakusho Co., Ltd.
    • Tatsuo Furukawa
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Action mechanism for the piano
    • Patent number 4,995,291
    • Issue date Feb 26, 1991
    • Kawai Gakki Seisakusho Co., Ltd.
    • Fumitaka Takahashi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Muffler for pianos
    • Patent number 4,970,929
    • Issue date Nov 20, 1990
    • Kawai Gakki Seisakusho Co., Ltd.
    • Muneo Ishida
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Piano toy type musical instrument
    • Patent number 4,827,826
    • Issue date May 9, 1989
    • Kawai Gakki Seisakusho Co., Ltd.
    • Hiroyuki Isashi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Piano type musical instrument
    • Patent number 4,794,840
    • Issue date Jan 3, 1989
    • Kawai Gakki Seisakusho Co., Ltd.
    • Hiroyuki Isashi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Instrument for practicing multiplication
    • Patent number 4,790,757
    • Issue date Dec 13, 1988
    • Kawai Gakki Seisakusho Co, Ltd
    • Fumitaka Takahashi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS