Patents by Inventor Shizuya Aoki

Shizuya Aoki 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).

  • Patent number: 11104185
    Abstract: The disclosure provides a method of manufacturing a motorcycle tire for uneven terrain travel in which both a rigid feeling at the time of driving and a shock absorbing ability are able to be achieved. Provided is a method of manufacturing a motorcycle tire for uneven terrain travel including a process of molding a green tire including a tread portion, a pair of sidewall portions and a pair of bead portions, and a vulcanization process of vulcanizing the green tire using a mold. In the mold, a clip width, which is a distance in a tire axial direction between a pair of bead molding surfaces which form outer surfaces of the pair of bead portions, is 100% to 110% of a rim width of a normal rim to which a completed motorcycle tire is attached.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: August 31, 2021
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Masahiro Hikita, Shizuya Aoki
  • Patent number: 11046119
    Abstract: The disclosure provides a method of manufacturing a motorcycle tire for uneven terrain travel in which both a rigid feeling at the time of driving and a shock absorbing ability are able to be achieved. Provided is a method of manufacturing a motorcycle tire for uneven terrain travel including a process of molding a green tire including a tread portion, a pair of sidewall portions and a pair of bead portions, and a vulcanization process of vulcanizing the green tire using a mold. In the mold, a clip width, which is a distance in a tire axial direction between a pair of bead molding surfaces which form outer surfaces of the pair of bead portions, is 100% to 110% of a rim width of a normal rim to which a completed motorcycle tire is attached.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: June 29, 2021
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Masahiro Hikita, Shizuya Aoki
  • Publication number: 20190039417
    Abstract: The disclosure provides a method of manufacturing a motorcycle tire for uneven terrain travel in which both a rigid feeling at the time of driving and a shock absorbing ability are able to be achieved. Provided is a method of manufacturing a motorcycle tire for uneven terrain travel including a process of molding a green tire including a tread portion, a pair of sidewall portions and a pair of bead portions, and a vulcanization process of vulcanizing the green tire using a mold. In the mold, a clip width, which is a distance in a tire axial direction between a pair of bead molding surfaces which form outer surfaces of the pair of bead portions, is 100% to 110% of a rim width of a normal rim to which a completed motorcycle tire is attached.
    Type: Application
    Filed: May 17, 2018
    Publication date: February 7, 2019
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: MASAHIRO HIKITA, SHIZUYA AOKI
  • Patent number: D301444
    Type: Grant
    Filed: July 3, 1986
    Date of Patent: June 6, 1989
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Shizuya Aoki, Mikio Takeuchi
  • Patent number: D315703
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: March 26, 1991
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Shizuya Aoki