Patents by Inventor Miyozo Asada

Miyozo Asada 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).

  • Spinneret assembly for use in production of multi-ingredient multi-core composite filaments
    Patent number: 4370114
    Abstract: A spinneret assembly to be fitted in a spinning pack for the production of multi-ingredient, multi-core composite fibers, each of which is comprised of at least three polymer phases. The assembly includes four plate members which form a plurality of series of linked polymer passages in which at least three of the plate members are capable of being assembled into a single unit by connecting means so that these plate members can be fitted in or detached from the spinning pack as a single unit.
    Type: Grant
    Filed: September 7, 1979
    Date of Patent: January 25, 1983
    Assignee: Toray Industries, Inc.
    Inventors: Miyoshi Okamoto, Miyozo Asada