Patents by Inventor Katutosi Sakai

Katutosi Sakai 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).

  • Electronic stringed musical instrument with a string vibration detecting apparatus
    Patent number: 5014588
    Abstract: The present invention relates to an electronic stringed musical instrument with a string vibration detecting device, such as an electronic guitar, guitar synthesizer, electronic violin, etc. A string supporting unit for supporting and fixing at least one end of stretched strings is removably mounted on a body unit. A string vibration detecting device and an electronic processing substrate, such as a printed board, are removably mounted on the string supporting unit.
    Type: Grant
    Filed: May 31, 1989
    Date of Patent: May 14, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Fumio Omata, Katutosi Sakai, Yoshio Nomura