Patents by Inventor Sugiura Kazuo

Sugiura Kazuo 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).

  • Lead frame retaining apparatus
    Patent number: 5439159
    Abstract: A holding device of a frame retainer on a retainer holder used in bonding machines for manufacture of semiconductor devices including a pair retainer guides formed in the retainer holder so that the frame retainer is positionally secured between the retainer guides by positioning pins which are pushed and moved by spring members. The positioning pins are movable toward and away from the frame holder by turning (overcoming the spring force of the spring members) eccentric pins which are in contact with the positioning pins.
    Type: Grant
    Filed: August 18, 1994
    Date of Patent: August 8, 1995
    Assignee: Kabushiki Kaisha Shinkawa
    Inventors: Takashi Takeuchi, Sugiura Kazuo