Patents by Inventor Naotoshi Inamura

Naotoshi Inamura 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).

  • Injection process for long fiber-containing resin
    Patent number: 5041258
    Abstract: A resin composition of a thermoplastic resin and long fiber is injected into a molded article having good physical properties by molding the composition in the form of a pellet having a length of 3 mm or more and containing 10 to 80% by weight, based on the composition, of a fiber having a length substantially equal to that of the pellet and arranged in the lengthwise direction of the pellet, characterized by using an injection molding machine having a nozzle diameter of 6 mm or more.
    Type: Grant
    Filed: April 17, 1990
    Date of Patent: August 20, 1991
    Assignee: Polyplastics Co., Ltd.
    Inventors: Makoto Iiyama, Yoshihiro Furugohri, Naotoshi Inamura
  • Automotive outer door operating member
    Patent number: 4914779
    Abstract: An automotive outer door operating member is integrally formed of a thermoplastic resin and comprises a handle and arms extending from the handle; characterized in that the thickness ratio of the root of each arm to the handle at the junctions of the arms and the handle is 0.5 or below.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: April 10, 1990
    Assignee: Polyplastics Co., Ltd.
    Inventors: Masakazu Nakai, Naotoshi Inamura