Patents by Inventor Yasuo Nagura

Yasuo Nagura 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).

  • Patent number: 4252045
    Abstract: A mouth-piece for electronic musical instruments includes at least one flexible valve flap exposed in the air passage formed therein each of which carries a pressure responsive element generative of electric signals in accordance with the extend of flexion of the valve flap when blown by the player.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: February 24, 1981
    Assignee: Nippon Gakki Seizo Kabushiki Kaisha
    Inventor: Yasuo Nagura