Patents by Inventor Ryuichi Nakane

Ryuichi Nakane 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).

  • Grinding wheel having urethane resin bushing in its center mounting hole
    Patent number: 6402606
    Abstract: A grinding wheel having a main body and a tubular bushing member which is fitted in an inner circumferential surface of a mounting hole formed through the main body, so that the grinding wheel is mounted on a wheel spindle of a grinding machine, with the bushing member being fitted on the wheel spindle. The bushing member includes an urethane resin as a main component thereof.
    Type: Grant
    Filed: October 19, 2000
    Date of Patent: June 11, 2002
    Assignee: Noritake Co., Limited
    Inventors: Tsuguo Kusakabe, Ryuichi Nakane