Patents by Inventor Hideaki Sugihara

Hideaki Sugihara 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).

  • Passenger tire with low bead apex volume
    Patent number: 5431209
    Abstract: A passenger radial tire which comprises a tread portion, a pair of axially spaced bead portions, a pair of sidewall portions extending therebetween, a pair of bead cores disposed one in each bead portion, and a carcass extending between the bead portions and turned up around the bead cores from the axially inside to the outside thereof to form two turned up portions and one main portion therebetween, wherein in at least the sidewall portions no bead apex exists to thereby the carcass turned up portions are located adjacently to the carcass main portion, and in each bead portion a bead reinforcement extending radially outwardly into the sidewall portion is disposed.
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: July 11, 1995
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Shinzo Kajiwara, Hideaki Yoshikawa, Hideaki Sugihara, Masayuki Sakamoto
  • Passenger radial tire including bead reinforcement
    Patent number: 5415216
    Abstract: A passenger radial tire which comprises a tread portion, a pair of axially spaced bead portions, a pair of sidewall portions extending therebetween, a pair of bead cores disposed one in each bead portion, and a carcass extending between the bead portions and turned up around the bead cores from the axially inside to the outside thereof to form two turned up portions and one main portion therebetween, wherein in at least the sidewall portions no bead apex exists and the carcass turned up portions are located adjacently to the carcass man portion, and in each bead portion a bead reinforcement extending radially outwardly into the sidewall portion is disposed.
    Type: Grant
    Filed: February 1, 1993
    Date of Patent: May 16, 1995
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Shinzo Kajiwara, Hideaki Yoshikawa, Hideaki Sugihara, Masayuki Sakamoto