Patents by Inventor Daisaku Takano

Daisaku Takano 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: 9421478
    Abstract: This invention provides a cold trap using a Stirling refrigerator. A refrigerator includes a drive piston configured to drive a free piston so as to reciprocally move a working medium between a heat dissipation portion and a heat absorption portion, a vibration sensor configured to measure a vibration of a case, a dynamic vibration absorber configured to reduce the vibration of the case when the drive piston is driven, and a frequency adjustment device configured to adjust a driving frequency to reduce the vibration of the case when the drive piston is driven in a state in which the case is connected to a vacuum device.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: August 23, 2016
    Assignee: CANON ANELVA CORPORATION
    Inventors: Atsuhiro Kuwajima, Kenji Kudo, Daisaku Takano
  • Publication number: 20140290282
    Abstract: This invention provides a cold trap using a Stirling refrigerator. A refrigerator includes a drive piston configured to drive a free piston so as to reciprocally move a working medium between a heat dissipation portion and a heat absorption portion, a vibration sensor configured to measure a vibration of a case, a dynamic vibration absorber configured to reduce the vibration of the case when the drive piston is driven, and a frequency adjustment device configured to adjust a driving frequency to reduce the vibration of the case when the drive piston is driven in a state in which the case is connected to a vacuum device.
    Type: Application
    Filed: May 16, 2014
    Publication date: October 2, 2014
    Applicant: CANON ANELVA CORPORATION
    Inventors: Atsuhiro KUWAJIMA, Kenji Kudo, Daisaku Takano