Patents by Inventor Tosio Aoki

Tosio Aoki 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 for production of fiber reinforced plastic structure
    Patent number: 4849037
    Abstract: A method for the manufacture of a fiber reinforced plastic structure, comprising the steps of winding a continuous long-staple fiber impregnated with a liquid resin around a plurality of winding jigs until the resultant bundle of resin impregnated fibers attains a predetermined thickness; setting rings tightly in place on the linear portions of the resin impregnated fiber bundle between the jigs; and moving the tightly set rings relative to the linear portions thereby wringing the resin impregnated fiber bundle and expelling bubbles entrapped within the fiber bundle.
    Type: Grant
    Filed: October 29, 1987
    Date of Patent: July 18, 1989
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Katsumi Kondo, Yasuhiro Tsuchiya, Yasushi Yamazawa, Masaki Terada, Tosio Aoki, Takatsune Niimi, Takashi Yamamoto, Kunihiro Matsuba
  • Fiber-reinforced plastic core material for steering wheels
    Patent number: 4627307
    Abstract: A core material for steering wheels, comprising a boss equipped with sleeves in a unitary structure, each of which sleeves has a slit in the axial direction thereof, said sleeves further being packed with superposed fiber strands; a ring portion; and spoke portions which connect said ring portion to said boss and being formed by winding and stretching continuous long-staple fiber strands impregnated with a resin to form the superposed strands within said sleeves.
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: December 9, 1986
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yasushi Yamazawa, Yasuhiro Tsutiya, Masaki Terada, Tosio Aoki, Hiroyuki Sato