Patents by Inventor Hirosaku Oshimi

Hirosaku Oshimi 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).

  • Spinning nozzle
    Patent number: 4717331
    Abstract: A melt-spinning nozzle in which is disposed an elongated molded piece so as to form a space serving as a melt flow path between the elongated molded piece and the inner wall of the nozzle.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: January 5, 1988
    Assignee: Nippon Oil Company Limited
    Inventors: Naoyuki Maeda, Osamu Kato, Hirosaku Oshimi, Akira Nii, Hiroshi Shimada, Michiharu Harakawa, Takuji Hirano, Shigeo Hara