Patents by Inventor Keisuke Yamaoka

Keisuke Yamaoka 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: 5737827
    Abstract: An automatic assembling system for assembling a product constituted by a plurality of parts, includes a group cell having a plurality of assembling cells and inspecting cells, pallets loaded with the same type of parts or products, at least one buffer for holding a plurality of pallets, and at least one pallet hand-over mechanism for transferring pallets between the buffer and each cell. At least one of the buffers is provided in common for a plurality of cells, and at least one of the pallet hand-over mechanisms is provided to the common buffer.
    Type: Grant
    Filed: September 6, 1995
    Date of Patent: April 14, 1998
    Assignee: Hitachi, Ltd.
    Inventors: Tsutomu Kuse, Shizuo Yamazaki, Hiroshi Kato, Mikio Rachi, Keisuke Yamaoka, Tomoaki Sakata
  • Patent number: 5692289
    Abstract: A loading method and a system therefor for guiding a magnetic head onto a magnetic disk medium using a guiding jig. The guiding jig has a first guiding surface that is parallel to the recording surface of the magnetic disk medium when positioned next to the edge of the disk, and a second guiding surface that is inclined with respect to the first guiding surface. The magnetic head slides on the second guiding surface to the first guiding surface, and then onto the recording surface of the magnetic disk.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 2, 1997
    Assignee: Hitachi, Ltd.
    Inventors: Hiroshi Amada, Keisuke Yamaoka, Hiroshi Nagai