Patents by Inventor Hidefumi Ishimori

Hidefumi Ishimori 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).

  • Die for continuously extruding hollow articles from thermosetting resins
    Patent number: 4088434
    Abstract: A die for continuously extruding hollow articles from thermosetting resins comprises an outer cylinder and an inner cylinder arranged coaxially with an annular gap left between them for the passage of resin, both cylinders being adjusted so as to be cooled at their upstream portions and heated at their downstream portions relative to the flow of extrusion.
    Type: Grant
    Filed: January 17, 1977
    Date of Patent: May 9, 1978
    Assignees: The Japan Steel Works Ltd., Dai Nippon Toryo Co., Ltd.
    Inventors: Yoshihiko Fukuda, Hidefumi Ishimori, Masafumi Toyomatsu, Masayoshi Tsubone, Hideki Mizuguchi, Hideo Masuda