Patents by Inventor Yasuyuki Nakai

Yasuyuki Nakai 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).

  • Glass circuit substrate and fabrication method thereof
    Patent number: 6156413
    Abstract: A glass circuit substrate wherein nuclei of Pd (palladium) are placed on a glass substrate and a plating layer of Pd--P (palladium--phosphorus) is placed on the nuclei. A fabrication method of the glass circuit substrate comprises steps of forming nuclei of Pd on a glass substrate; and therefore forming a plating layer of Pd--P on the nuclei.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: December 5, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshiaki Tomari, Makoto Kameyama, Yasuyuki Nakai
  • Substrate and method for producing it
    Patent number: 6127052
    Abstract: A substrate wherein a layer comprising a principal component of nickel and a layer comprising a principal component of palladium are deposited on a glass substrate and wherein an electroconductive layer is deposited on the palladium layer.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: October 3, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshiaki Tomari, Yasuyuki Nakai
  • Frictional material for vibration wave driven motor
    Patent number: 5122700
    Abstract: A vibration wave driven motor in which a vibration member and a member brought into pressure contact with the vibration member are frictionally driven relative to each other through a frictional material secured to the driving portion of one of them, characterized in that the frictional material is composed of a cermet.
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: June 16, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Tamai, Shoichi Shimura, Yasuyuki Nakai