Patents by Inventor Hideji Shioi

Hideji Shioi 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 press forming shadow masks
    Patent number: 4150936
    Abstract: An apparatus for press forming shadow masks comprises a press unit for press forming mask blanks, a feeder unit for automatically feeding the blanks, one by one, to the lower die of the press unit, and a takeout unit for automatically removing formed masks from the press unit. The feeder unit includes a pallet for supporting a stack of mask blanks and a pad beam for supplying the blanks, one by one, from the pallet to the lower die. The pallet and the lower die are provided with locating means, respectively, for the mask blanks and the pad beam.
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: April 24, 1979
    Assignee: Hitachi, Ltd.
    Inventors: Hideji Shioi, Tsuneo Furukawa, Hiroaki Kouchi, Kazuo Nishimatsu