Patents by Inventor Akira Unozawa

Akira Unozawa 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).

  • Dressing apparatus for grinding wheels
    Patent number: 4744348
    Abstract: A grinding wheel dressing apparatus including a housing, a dresser shaft rotatably mounted on the housing and having one end adapted for connection to a drive shaft and an opposite end adapted to receive a dresser wheel, and an acoustic sensor retained by the housing and adapted to detect acoustic signals produced by contact between the rotating dresser wheel and a grinding wheel being dressed thereby.
    Type: Grant
    Filed: November 12, 1986
    Date of Patent: May 17, 1988
    Assignee: Diesel Kiki Co., Ltd.
    Inventors: Hideaki Oda, Akira Unozawa