Patents by Inventor Kouji Kuwata

Kouji Kuwata 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).

  • Cleaner for cleaning a capillary tube for use in a wire bonding tool
    Publication number: 20020096187
    Abstract: A method for cleaning a capillary tube for use in a wire bonding tool includes the step of applying an ultrasonic wave to the capillary tube, with the tip of the capillary tube being immersed in a cleaning solution, and with a tungsten wire being inserted in the capillary tube. Before the cleaning step, the capillary tube is ground by an abrasive sheet, with the capillary tube being empty.
    Type: Application
    Filed: January 22, 2002
    Publication date: July 25, 2002
    Applicant: NEC Corporation
    Inventors: Kouji Kuwata, Mitsuki Arita