Patents by Inventor Hiroshi Nagatake

Hiroshi Nagatake 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).

  • Pneumatic cushion and manufacturing method therefor
    Patent number: 4467484
    Abstract: A pneumatic cushion fabricated from two sheets of expandable thin material are welded together at a circumferential portion thereof to define therebetween a expandable pneumatic chamber. The welded portion is separated from the pneumatic chamber by a substantially rigid board. The board-like member cooperates with a portion of the sheets mating therewith to isolate the welded portion from tension forces applied to the sheets as the chamber air pressure increases.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: August 28, 1984
    Assignees: Nissan Motor Company, Limited, Achilles Corporation, Ikeda Bussan Company, Limited
    Inventors: Hiroshi Nagatake, Keiji Hayashi