Patents by Inventor Yoshiaki Maekawa

Yoshiaki Maekawa 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 stick-spearing stalk-cut tobacco stalks
    Patent number: 6354066
    Abstract: An apparatus for stick-spearing stalk-cut tobacco stalks which includes an endless belt having a plurality of stick-supporting claws and a plurality of stalk-transferring claws provided along its circumferential surface. The apparatus also includes an air cylinder device and a pushing member for pushing tobacco stalks onto a spear stick, the spear stick being held in place by the stick-supporting claws. Simultaneously with the stick-spearing operations, the endless belt moves forward up to a predetermined distance causing the stalk-transferring claws to move forward and position in equal intervals any tobacco stalks that have been previously speared by the stick.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: March 12, 2002
    Assignee: Japan Tobacco Inc.
    Inventors: Kazuo Osamura, Akira Takahashi, Yoshiaki Maekawa
  • Rubber compositions for tires
    Patent number: 4942192
    Abstract: A rubber composition for use in tire, particularly bead filler comprises 2.about.30 parts by weight of a particular modified novolak resin having a self-curability based on 100 parts by weight of rubber ingredient.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: July 17, 1990
    Assignees: Bridgestone Corporation, Ltd. Unitika
    Inventors: Takuo Yasuda, Hitoshi Kondo, Yoshiaki Echigo, Tsuneyuki Ohsawa, Yoshiaki Maekawa