Patents by Inventor Yoshikazu Tomita

Yoshikazu Tomita 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).

  • Interdental brush and production method therefor
    Patent number: 6767209
    Abstract: Relates to an interdental cleaning tool provided on the peripheral surface of a shaft member 1 with one or a plurality of projections 2, the projections being pinnulate elements or cirrate elements, and shaft member 1 and projections 2 being integrally molded from synthetic resin, whereby there may be afforded a soft touch against the tissues of the oral cavity during use, deviation in extraction force of the pinnulate members and cirrate members may be prevented, and production costs may be reduced.
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: July 27, 2004
    Assignees: Sunstar Inc., Uni-Sunstar B.V.
    Inventors: Yoshikazu Tomita, Fujio Ito, Naoki Tsurukawa, Hitoshi Matsumoto
  • Method for cutting uncoiled web
    Patent number: 4656857
    Abstract: In an uncoiled web feed line including a shear, continuous feed and measuring pinch rolls, a pit for accommodating a loop portion of an uncoiled web, intermittent feed pinch rolls and a metal mold arranged in succession, there is provided a novel method for cutting an uncoiled web at its midway position by a shear such that when the production by the metal mold is continued for the uncoiled web forward of the cut position, just one lot of a desired number of products can be produced without being associated with an excessive waste web.
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: April 14, 1987
    Assignee: Kabushiki Kaisha Komatsu Seisakusho
    Inventor: Yoshikazu Tomita