Patents by Inventor Kozo Yada

Kozo Yada 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).

  • Patent number: 4579774
    Abstract: A reinforced laminate comprising(a) a foamed styrene resin sheet layer, and(b) thermoplastic resin layers reinforced with a mixture of glass fibers and organic fibers and laminated on both surfaces of the sheet layer (a). This laminate is suitable for use as a core material of a ceiling liner of an automobile.
    Type: Grant
    Filed: October 30, 1984
    Date of Patent: April 1, 1986
    Assignees: Sekisui Kagaku Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha
    Inventors: Issei Kuwazuru, Rikuo Ikemoto, Kozo Yada
  • Patent number: 4213925
    Abstract: A plastic foamed sheet of excellent quality is produced by preheating in a chamber including a conveyor means for continuously conveying a thermoplastic resin sheet containing a heat-decomposable blowing agent in the horizontally supported state and a heating means for heating the sheet to a temperature lower than the decomposition temperature of the blowing agent, and foaming in a foaming chamber connected to the preheating chamber and including a heating means for heat-foaming the sheet as it is continuously conveyed while being perpendicularly suspended from the terminal of the conveyor means.
    Type: Grant
    Filed: August 14, 1978
    Date of Patent: July 22, 1980
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Kiyono, Akio Ishimoto, Yoichiro Noda, Kozo Yada
  • Patent number: 4124344
    Abstract: A plastic foamed sheet of excellent quality is produced by using an apparatus comprising a preheating chamber including a conveyor means for continuously conveying a thermoplastic resin sheet containing a heat-decomposable blowing agent in the horizontally supported state and a heating means for heating the sheet to a temperature lower than the decomposition temperature of the blowing agent, and a foaming chamber connected to the preheating chamber and including a heating means for heat-foaming the sheet as it is continuously conveyed while being perpendicularly suspended from the terminal end portion of the conveyor means.
    Type: Grant
    Filed: April 6, 1977
    Date of Patent: November 7, 1978
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Kiyono, Akio Ishimoto, Yoichiro Noda, Kozo Yada