Patents by Inventor Shoji YAKUWA

Shoji YAKUWA 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).

  • Ultrasonic cleaning apparatus and ultrasonic cleaning method
    Patent number: 9687888
    Abstract: An ultrasonic cleaning apparatus includes: an ultrasonic vibrator (11); a liquid storage part (12) provided in contact with the ultrasonic vibrator; an inflow port (12a) that makes a cleaning liquid (13) flow in the liquid storage part; and an outflow port (12b) that makes the cleaning liquid flow out of the liquid storage part. A contact surface (11a), of the ultrasonic vibrator, which comes into contact with the cleaning liquid, is disposed lower than each of the inflow port and the outflow port.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: June 27, 2017
    Assignee: KAIJO CORPORATION
    Inventors: Hiroshi Hasegawa, Yasuhiro Imazeki, Shoji Yakuwa
  • ULTRASONIC CLEANING APPARATUS AND ULTRASONIC CLEANING METHOD
    Publication number: 20150336138
    Abstract: To reduce the amount of a cleaning liquid used in cleaning an object to be cleaned. An ultrasonic cleaning apparatus, includes: an ultrasonic vibrator 11; a liquid storage part 12 provided in contact with the ultrasonic vibrator; an inflow port 12a that makes a cleaning liquid 13 flow in the liquid storage part; and an outflow port 12b that makes the cleaning liquid flow out the liquid storage part, wherein a contact surface 11a on which the ultrasonic vibrator comes into contact with the cleaning liquid is disposed lower than each of the inflow port and the outflow port.
    Type: Application
    Filed: October 15, 2014
    Publication date: November 26, 2015
    Inventors: Hiroshi HASEGAWA, Yasuhiro IMAZEKI, Shoji YAKUWA