Patents by Inventor Katsutoshi Nakashima

Katsutoshi Nakashima 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).

  • Apparatus for measuring and correcting uniformity of tires
    Patent number: 5883304
    Abstract: A tire uniformity measurement and correction apparatus capable of carrying out measurement and correction of tire uniformity efficiently without causing stagnation of a transfer line due to correction of the tire uniformity is provided.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: March 16, 1999
    Assignee: Bridgestone Corporation
    Inventors: Takao Kokubu, Takahiro Goto, Kazuhide Kinoshita, Katsutoshi Nakashima, Masaharu Oku
  • Tire load test CT scanner
    Patent number: 4785354
    Abstract: A tire load testing CT scanner includes a load applying mechanism for applying a load to a tire under a condition in which the tire is rotatably held, a radiation imaging device for obtaining radiation transmittance data of the tire cross section, a moving mechanism for relatively moving the radiation imaging device and the tire which is placed in a condition loaded by the load applying mechanism, in a direction along the circumference of the tire, a drive control unit for controlling the drive of the load applying mechanism, the radiation imaging device, and the moving mechanism, and an image formation and processing unit for forming an image, based on the transmittance data supplied by the radiation imaging device.
    Type: Grant
    Filed: December 27, 1985
    Date of Patent: November 15, 1988
    Assignees: Bridgestone Corporation, Kabushiki Kaisha Toshiba
    Inventors: Shigeo Nakamura, Katsutoshi Nakashima
  • Method of mixing and kneading control of a rubber kneader
    Patent number: 4076220
    Abstract: A method of mixing and kneading control of a rubber kneader comprising the steps of detecting the plasticity of a rubber raw material after the rubber raw material and additives are put into a receptacle of the rubber kneader, and controlling total energy spent by the electric motor of the rubber kneader and total revolutions of a mixing and kneading rotor of the rubber kneader in correspondence with the detected plasticity of the rubber raw material.
    Type: Grant
    Filed: February 10, 1976
    Date of Patent: February 28, 1978
    Assignee: Bridgestone Tire Company Limited
    Inventors: Katsutoshi Nakashima, Toshio Kita, Ryuzo Osawa, Takashi Hatanaka