Patents by Inventor Kiyotachi Yokoi

Kiyotachi Yokoi 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).

  • Apparatus for conveying a lead frame mounting semiconductor pellets
    Patent number: 4516673
    Abstract: An apparatus for conveying a lead frame mounting semiconductor pellets comprises a guide path for guiding the lead frame, and a feed member. The feed member is moved by a solenoid mechanism from a first position where the feed member is separated from the lead frame to a second position where the feed member engages with the lead frame. The feed member positioned in the second position is moved by a X-Y table from an initial position to a forward position along the guide path, whereby the lead frame is conveyed along the guide path by a predetermined distance.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: May 14, 1985
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Tomio Kashihara, Toshiro Tsuruta, Masayoshi Yamaguchi, Kiyotachi Yokoi, Etsuji Suzuki