Patents by Inventor Susumu Kazusa

Susumu Kazusa 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).

  • Bicycle tire
    Patent number: 4649979
    Abstract: In an open-sided bicycle tire having a plurality of carcass plies enclosing a pair of beads, and extending over the sidewalls and tread of the tire, at least one ply of a breaker is disposed between the plies of the carcass lying immediately under the tread.
    Type: Grant
    Filed: April 10, 1985
    Date of Patent: March 17, 1987
    Assignee: Mitsuboshi Belting Ltd.
    Inventors: Susumu Kazusa, Masahiro Nagamine, Takayuki Tagawa
  • Bicycle tire tread
    Patent number: 4570689
    Abstract: A bicycle tire which has a raised, circumferential center rib and laterally opening grooves of scalene trapezoidal shape alternatively in the right and left sides of the center rib whereby the center rib defines a zigzag shape. Groups of polygonal, raised blocks are spaced from both sides of said center rib along the entire periphery of the tire. The bicycle tire provides an improved ride on level and uneven ground or roadways. The tire provides the advantages of both line and block pattern tread types in a single overall tread design.
    Type: Grant
    Filed: March 20, 1984
    Date of Patent: February 18, 1986
    Assignee: Mitsuboshi Belting Ltd.
    Inventors: Susumu Kazusa, Harunori Okamoto, Eiji Fukuchi
  • Bicycle tire tread
    Patent number: D285296
    Type: Grant
    Filed: March 20, 1984
    Date of Patent: August 26, 1986
    Assignee: Mistuboshi Belting Ltd.
    Inventors: Susumu Kazusa, Harunori Okamoto, Eiji Fukuchi