Patents by Inventor Yoshihisa Mikoshiba

Yoshihisa Mikoshiba 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).

  • Polyamide hollow and/or non-circular fiber and process for making same
    Patent number: 5462802
    Abstract: A polyamide hollow and/or non-circular fiber containing a metal salt of a saturated fatty acid having at least 10 carbon atoms, wherein the amount (X) of a terminal carboxyl group is not larger than 60 gram equivalent per 1,000 kg of the polyamide and the amount (Y) (in parts by weight per 100 parts by weight of the polyamide) of the metal salt of a saturated fatty acid satisfies the following formula:Y.gtoreq.0.00871X-0.13wherein X is the amount of the terminal carboxyl group in gram equivalent/1,000 kg of the polyamide.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: October 31, 1995
    Assignee: Teijin Limited
    Inventors: Yoshihisa Mikoshiba, Teruhiko Adachi, Kouji Tajiri