Patents by Inventor Kyoetsu Kanazawa

Kyoetsu Kanazawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Pad cups for a wood wind
    Patent number: 4708047
    Abstract: In construction of a pad for a pad cup of a woodwind, the outermost skin bag is internally provided, at least in the region where the pad cup contacts an associated sound hole in the woodwind, with an air impervious layer such as a bladder sheet to ensure that the sound hole will be closed with a high degree of airtightness and which will ensure that the desired pad configuration is maintained over a long period of time.
    Type: Grant
    Filed: April 21, 1986
    Date of Patent: November 24, 1987
    Assignee: Nippon Gakki Seizo Kabushiki Kaisha
    Inventors: Kyoetsu Kanazawa, Mitsuo Ono