Patents by Inventor Tatsufumi Miyaki

Tatsufumi Miyaki 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).

  • Publication number: 20030092795
    Abstract: This invention provides a non-asbestos friction material excellent not only in performance at the time of braking under high loading at high temperatures but also in performance at the time of braking under low loading at low temperatures even if lead sulfide is not used in the filler. In the non-asbestos type friction material comprising a non-asbestos fiber base material, a filler and a binder, the filler comprises spherical bronze powder and artificial graphite and is free of lead sulfide.
    Type: Application
    Filed: October 1, 2002
    Publication date: May 15, 2003
    Applicant: NISSHINBO INDUSTRIES, INC.
    Inventors: Tatsufumi Miyaki, Mitsuru Kobayashi