Patents by Inventor Keisuke Monna

Keisuke Monna 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).

  • Publication number: 20010020808
    Abstract: In a torsional ultrasonic transducer for ultrasonic machining, a torsional ultrasonic transducer is structured such that a whole of a front body is integrally formed in an axially symmetrical manner, a total length thereof is set to be a half wavelength of a resonance frequency, a stepped circular column portion for adjusting a frequency is provided in the front body, and a tool attaching portion is provided in a front end portion of the front body.
    Type: Application
    Filed: February 22, 2001
    Publication date: September 13, 2001
    Inventors: Hideyuki Suzuki, Yasuhiro Sakamoto, Keisuke Monna