Patents by Inventor Hiroshi Kitawaga

Hiroshi Kitawaga 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).

  • Envelope waveform generating apparatus
    Patent number: 4154133
    Abstract: An envelope waveform generating apparatus comprising a key code generating device composed of a means for releasing key code data and a means for outputting first and second control signals, a key assignor composed of a means for outputting a third control signal, a level setting means, and a function generator. The envelope waveform generating circuit is provided with a touch response so that the level of envelope waveform may readily be set.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: May 15, 1979
    Assignee: Kabushiki Kaisha Kawai Gakki Seisakusho
    Inventor: Hiroshi Kitawaga