Patents by Inventor Motoaki Yanase

Motoaki Yanase 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).

  • Mandrel for use in a manufacture of an article made of composite material
    Patent number: 4822272
    Abstract: A mandrel for use in a process for manufacturing an article of a composite material including a thermosetting resin reinforced by fibers. The mandrel is of a hollow cylindrical configuration and adapted to have resin impregnated fibers wound therearound. In the manufacturing process, a heating medium is introduced into the mandrel under an elevated temperature and pressure to heat the composite material to a curing temperature of the resin. The mandrel is made of an alloy having a rigidity under a room temperature but showing a super plasticity under a temperature at which the resin is cured.
    Type: Grant
    Filed: October 15, 1987
    Date of Patent: April 18, 1989
    Assignee: Agency of Industrial Science and Technology
    Inventors: Motoaki Yanase, Tatsuya Yamamoto