Patents by Inventor Isao Uenishi

Isao Uenishi 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).

  • Highly shrinkable substantially acrylic filament yarn
    Patent number: 4897990
    Abstract: A highly shrinkable acrylic filament yarn which exhibits a degree of shrinking of at least 20% in boiling water, a maximum heat shrinking stress of at least 0.15 g/d in a dry heating atmosphere, and a Young's modulus of at least 280 Kg/mm.sup.2 after free shrinking treatment in boiling water.
    Type: Grant
    Filed: August 22, 1988
    Date of Patent: February 6, 1990
    Inventors: Makoto Nishimura, Takashi Nonaka, Isao Uenishi, Tamotsu Goto