Patents by Inventor Seigi Yamase

Seigi Yamase 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).

  • Belt-like bag bodies
    Patent number: 5080529
    Abstract: A belt-like bag body comprises a belt-like rubber sheet, a non-adhesion region located at a central portion the rubber sheet and capable of separating the rubber sheet into upper and lower portions, and a reinforcing layer reinforcing the outer surface of the rubber sheet, wherein a notch or gap having a convexly arc portion outward in widthwise direction is arranged in the vicinity of a widthwise end of the non-adhesion region in the rubber sheet.
    Type: Grant
    Filed: July 13, 1990
    Date of Patent: January 14, 1992
    Assignee: Bridgestone Corporation
    Inventors: Kimiyoshi Watanabe, Seigi Yamase