Patents by Inventor Yasumoto TOGASHI

Yasumoto TOGASHI 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: 11376627
    Abstract: An ultrasonic horn is provided with: a vibration generating unit configured to generate longitudinal vibration having a frequency in the ultrasonic band on the basis of a signal having a frequency in the ultrasonic band input from an oscillator; a vibration amplifying unit configured to amplify the vibration generating unit while transmitting the longitudinal vibration from the vibration generating unit; and a longitudinal-torsional vibration conversion slit unit having slits formed in a groove-like shape on the surfaces of the vibration amplifying unit and configured to convert the longitudinal vibration into torsional vibration. The vibration amplifying unit has a polygonal shape in a plane view, and has a plurality of surfaces provided with slits along with a surface not provided with slits.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: July 5, 2022
    Assignee: SHINKAWA LTD.
    Inventors: Hikaru Miura, Takuya Asami, Yasumoto Togashi, Nobuyuki Aoyagi
  • Publication number: 20180345318
    Abstract: An ultrasonic horn is provided with: a vibration generating unit configured to generate longitudinal vibration having a frequency in the ultrasonic band on the basis of a signal having a frequency in the ultrasonic band input from an oscillator; a vibration amplifying unit configured to amplify the vibration generating unit while transmitting the longitudinal vibration from the vibration generating unit; and a longitudinal-torsional vibration conversion slit unit having slits formed in a groove-like shape on the surfaces of the vibration amplifying unit and configured to convert the longitudinal vibration into torsional vibration. The vibration amplifying unit has a polygonal shape in a plane view, and has a plurality of surfaces provided with slits along with a surface not provided with slits.
    Type: Application
    Filed: November 22, 2016
    Publication date: December 6, 2018
    Applicant: SHINKAWA LTD.
    Inventors: Hikaru MIURA, Takuya ASAMI, Yasumoto TOGASHI, Nobuyuki AOYAGI