Patents by Inventor Nobuhide Nakamura

Nobuhide Nakamura 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: 20200156213
    Abstract: There is provided a super-abrasive grain including: a body composed of cubic boron nitride or diamond; and a ceramic coating film coating at least a portion of a surface of the body.
    Type: Application
    Filed: December 6, 2018
    Publication date: May 21, 2020
    Applicants: Sumitomo Electric Industries, Ltd., A.L.M.T. Corp.
    Inventors: Akito ISHII, Katsumi OKAMURA, Tomokazu NAKAMURA, Nobuhide NAKAMURA
  • Publication number: 20190217443
    Abstract: A super-abrasive grinding wheel includes a core and a super-abrasive grain layer provided on a surface of the core, the super-abrasive grain layer including diamond abrasive grains and CBN abrasive grains, the diamond abrasive grains and the CBN abrasive grains being fixed to the core in a single layer by a binder. The diamond abrasive grains and the CBN abrasive grains have projecting tips acting on a workpiece, the projecting tips having a variation in height of 10 ?m or less, the diamond abrasive grains having their projecting tips with irregularities of 0.1 ?m or more in height.
    Type: Application
    Filed: April 6, 2017
    Publication date: July 18, 2019
    Inventor: Nobuhide Nakamura
  • Publication number: 20190039211
    Abstract: A super-abrasive grinding wheel includes a core and a super-abrasive grain layer provided on a surface of the core, the super-abrasive grain layer including diamond abrasive grains and CBN abrasive grains, the diamond abrasive grains and the CBN abrasive grains being fixed to the core in a single layer by a binder.
    Type: Application
    Filed: November 28, 2016
    Publication date: February 7, 2019
    Applicant: A.L.M.T. Corp.
    Inventor: Nobuhide Nakamura