Patents by Inventor Masuhiro Ohira

Masuhiro Ohira 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 tire with improved bead construction
    Patent number: 4319622
    Abstract: A pneumatic tire having an improved bead construction in which each of the bead cores which is composed of a number of layers of bead wires piled up one upon another to have a hexagonal cross section, whose one side is approximately parallel to a bead base portion, has at least more than one layer of bead wires further piled up on the top of the number of layers at a side opposite to the one side of the hexagonal cross section to fill up a gap or clearance between the side opposite to said one side of the hexagonal cross section and a bias-ply carcass turned up around the bead cores.
    Type: Grant
    Filed: August 18, 1980
    Date of Patent: March 16, 1982
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Munenori Iuchi, Tsutomu Iseki, Yoshinori Takeyama, Masuhiro Ohira