Patents by Inventor Shintaro Hikichi

Shintaro Hikichi 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).

  • Patent number: 10557707
    Abstract: An encoder includes: a first scale which has a first index portion; a second scale which has a second index portion; a first detection unit which outputs a first signal based on the first index portion, regarding first relative rotation between a fixing member and a first rotating member; a second detection unit which outputs a second signal based on the second index portion, regarding second relative rotation between the fixing member and a second rotating member; and a signal-processing unit which calculates information regarding the first relative rotation on the basis of the first signal and which calculates information regarding the second relative rotation on the basis of the second signal.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: February 11, 2020
    Assignee: NIKON CORPORATION
    Inventors: Kenji Omata, Takashi Nagase, Kou Ohno, Masami Kikyo, Shintaro Hikichi
  • Patent number: 10234308
    Abstract: An encoder includes a scale unit having a substrate configured of a metal material and in which a pattern is formed on a first surface of the substrate and a passive state member is formed on a second surface different from the first surface in the substrate, and a detection unit that is configured to move relative to the scale unit and detects the pattern.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: March 19, 2019
    Assignee: NIKON CORPORATION
    Inventors: Shintaro Hikichi, Hideaki Sugiyama
  • Publication number: 20170176216
    Abstract: An encoder includes a scale unit having a substrate configured of a metal material and in which a pattern is formed on a first surface of the substrate and a passive state member is formed on a second surface different from the first surface in the substrate, and a detection unit that is configured to move relative to the scale unit and detects the pattern.
    Type: Application
    Filed: March 1, 2017
    Publication date: June 22, 2017
    Applicant: NIKON CORPORATION
    Inventors: Shintaro HIKICHI, Hideaki SUGIYAMA
  • Publication number: 20150160041
    Abstract: An encoder includes a scale unit having a substrate configured of a metal material and in which a pattern is formed on a first surface of the substrate and a passive state member is formed on a second surface different from the first surface in the substrate, and a detection unit that is configured to move relative to the scale unit and detects the pattern.
    Type: Application
    Filed: December 27, 2012
    Publication date: June 11, 2015
    Inventors: Shintaro Hikichi, Hideaki Sugiyama