Patents by Inventor Toshinori Yashiro

Toshinori Yashiro 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).

  • Equipment for use in molten metal plating bath
    Patent number: 6065876
    Abstract: An equipment for use in a molten metal plating bath, comprising a bearing disposed in the molten metal plating bath for supporting a roller with an end, the bearing containing 70-95 wt. % of Si.sub.3 N.sub.4, 2-10 wt. % of Al.sub.2 O.sub.3, 1-10 wt. % of AIN and 1-10 wt. % of Y.sub.2 O.sub.3 and having a concave with a rectangular shape in section, the end of the roller being directly disposed in the concave to be supported by the bearing without using rollers.
    Type: Grant
    Filed: May 19, 1998
    Date of Patent: May 23, 2000
    Assignees: Nippon Steel Hardfacing Co., Ltd., Nippon Steel Corporation, Hitachi Metals, Ltd.
    Inventors: Michinori Suhara, Yasunari Sato, Toshinori Yashiro
  • Die casting cylinder
    Patent number: 5010946
    Abstract: The die casting cylinder includes an outer cylindrical member made of a metal and a ceramic inner cylindrical member, in a boundary between which a plurality of voids are provided. The voids are preferably grooves provided in an inner surface of the outer cylindrical member of in an outer surface of the inner cylindrical member, with a width "a" and a distance "b" satisfying an a/b ratio of 1:1-6:1.
    Type: Grant
    Filed: June 6, 1989
    Date of Patent: April 30, 1991
    Assignee: Hitachi Metals, Ltd.
    Inventors: Shingo Nogami, Toshinori Yashiro, Toshio Okitsu, Kiyoshi Furushima, Itsuo Korenaga