Patents by Inventor Takayuki Tagawa

Takayuki Tagawa 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).

  • Method of manufacturing a rubber sheet for a power transmission belt and a power transmission belt incorporating the rubber sheet
    Patent number: 7172718
    Abstract: A method of manufacturing a power transmission belt having a body with a length and a cushion rubber layer in which at least one carrying member is embedded so as to extend lengthwise of the body. The method includes the steps of: extrusion molding (a) a first rubber composition including rubber with short fibers therein and (b) a second rubber composition that is different than the first rubber composition to produce a first sheet in which the second rubber composition defines at least a part of the cushion rubber layer; applying the at least one load carrying member to the second rubber composition to produce a preform assembly; and processing the preform assembly to produce a power transmission belt.
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: February 6, 2007
    Assignee: Mitsuboshi Belting Ltd.
    Inventors: Takayuki Tagawa, Tomohiro Miwa, Toshihiro Nishimura
  • Method of manufacturing a rubber sheet for a power transmission belt and a power transmission belt incorporating the rubber sheet
    Publication number: 20040217519
    Abstract: A method of manufacturing a power transmission belt having a body with a length and a cushion rubber layer in which at least one carrying member is embedded so as to extend lengthwise of the body. The method includes the steps of: extrusion molding (a) a first rubber composition including rubber with short fibers therein and (b) a second rubber composition that is different than the first rubber composition to produce a first sheet in which the second rubber composition defines at least a part of the cushion rubber layer; applying the at least one load carrying member to the second rubber composition to produce a preform assembly; and processing the preform assembly to produce a power transmission belt.
    Type: Application
    Filed: December 29, 2003
    Publication date: November 4, 2004
    Applicant: Mitsuboshi Belting Ltd.
    Inventors: Takayuki Tagawa, Tomohiro Miwa, Toshihiro Nishimura
  • 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