Patents by Inventor Yoshio Konii

Yoshio Konii 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 radial tire including a tread portion divided into four circumferential regions
    Patent number: 5482099
    Abstract: A pneumatic radial tire comprising a carcass and a belt comprising belt plies composed of steel belt cords wherein at least two circumferential grooves are constructed in the tread part continuously in the direction of the tire's equator, and lateral grooves in some parts defined by dividing the tread part in the direction of the tire's axis into approximately three or four equal areas. The tire prevents one-side drifting of a car in driving, improves a straight-forward driving performance.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: January 9, 1996
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Shinzo Kajiwara, Yoshio Konii, Minao Yanase
  • Pneumatic radial tire with tread of three equal portions
    Patent number: 5385187
    Abstract: A pneumatic radial tire comprising a carcass and a belt comprising belt plies composed of steel belt cords wherein at least two circumferential grooves are constructed in the tread part continuously in the direction of the tire's equator, and lateral grooves in some parts defined by dividing the tread part in the direction of the tire's axis into approximately three. The tire prevents one-side drifting of a car in driving, improves a straight-forward driving performance.
    Type: Grant
    Filed: April 21, 1992
    Date of Patent: January 31, 1995
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Shinzo Kajiwara, Yoshio Konii, Minao Yanase
  • Pneumatic radial tire
    Patent number: 5353855
    Abstract: A pneumatic radial tire comprising a carcass and a belt comprising belt plies composed of steel belt cords wherein at least two circumferential grooves are constructed in the tread part continuously in the direction of the tire's equator, and lateral grooves in some parts defined by dividing the tread part in the direction of the tire's axis into approximately three or four equal areas. The tire prevents one-side drifting of a car in driving, improves a straight-forward driving performance.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: October 11, 1994
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Shinzo Kajiwara, Yoshio Konii, Minao Yanase