Patents by Inventor Hirotaka Koshitani

Hirotaka Koshitani 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).

  • Process for producing fiber molding for fiber-reinforced composite materials
    Patent number: 5198167
    Abstract: In a process for molding a fiber molding for a fiber-reinforced composite material with short fibers oriented in one direction, a slurry molding material having short fibers dispersed in a liquid is used, and pressing forces are applied to the molding material from two directions substantially perpendicular to each other within a mold, while removing the liquid.
    Type: Grant
    Filed: October 31, 1989
    Date of Patent: March 30, 1993
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Tohru Ohta, Akimasa Daimaru, Masao Ichikawa, Hideyuki Fujishiro, Ryuichi Kubota, Takeyoshi Nakamura, Hisayoshi Harada, Hirotaka Koshitani, Tatsuya Suzuki, Teruo Hoshino
  • Silicon carbide-reinforced light alloy composite material
    Patent number: 5168014
    Abstract: A silicon carbide-reinforced light alloy composite material comprises a matrix of a light weight alloy and a reinforcing material consisting of at least one of a silicon carbide whisker and a silicon carbide grain. In the composite material, the content of SiO.sub.2 contained in the reinforcing material, is set in the range of 0.05 to 5.0% by weight.
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: December 1, 1992
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Akimasa Daimaru, Tohru Ohta, Tatsuya Suzuki, Masao Ichikawa, Hirotaka Koshitani, Hideyuki Fujishiro