Patents by Inventor Kanako TSUMURA

Kanako TSUMURA 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).

  • GREASE COMPOSITION AND ROLLING BEARING
    Publication number: 20160145522
    Abstract: There is provided a grease composition containing an edible oil as a base oil and calcium stearate as a thickener, wherein a structure stabilizer for preventing thermal hardening is added and an unworked penetration after heating at 100° C. for 100 hours is 77 or more, and a rolling bearing in which the grease composition is sealed.
    Type: Application
    Filed: June 12, 2014
    Publication date: May 26, 2016
    Applicant: NSK LTD.
    Inventors: Eri WATABE, Yujiro TODA, Kanako TSUMURA, Koichi HACHIYA