Patents by Inventor Yashiro Shimizu

Yashiro Shimizu 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).

  • Ceramics hollow particles, composite material containing ceramics hollow particles and sliding member
    Publication number: 20060188720
    Abstract: The present invention provides (1) hollow ceramics particles having a hollow structure formed by a porous shell layer comprising ceramics powders bonded to each other and having an average particle diameter of from 10 to 100 ?m and a breaking strength of 5×104 MPa or more, (2) a hollow ceramics particles-containing composite material comprising hollow ceramics particles dispersed in a matrix which hollow ceramics particles formed by a porous shell layer comprising ceramics powders bonded to each other, wherein the aforementioned hollow ceramics particles are hollow particles obtained by sintering a precursor comprising the aforementioned ceramics powder covered by a resin powder in such an arrangement that a part of the aforementioned ceramics powder is embedded in the resin powder, and (3) a sliding member made of the aforementioned a hollow ceramics particles-containing composite material.
    Type: Application
    Filed: March 18, 2004
    Publication date: August 24, 2006
    Inventors: Takayuki Kato, Makoto Egashira, Yashiro Shimizu, Takeo Hyodo