Patents by Inventor Akira SHIMOJYOU

Akira SHIMOJYOU 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: 11409132
    Abstract: An ophthalmic lens, including: an optical portion having: a near portion with a near dioptric power for viewing near distance; and a distance portion with a distance dioptric for viewing a distance further than the near distance; with the near portion or the distance portion being centrally disposed, wherein a portion that is not centrally disposed is annularly disposed at an outer edge of the near portion or the distance portion, the near portion or the distance portion centrally disposed in the optical portion having a portion A in which power is intensified and then weakened when viewed in X direction from a center to a periphery, and having a portion A? in which power is intensified and then weakened when viewed in X? direction from the center to the periphery, which is an opposite direction to the X direction, and also included is a related technique thereof.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: August 9, 2022
    Assignee: HOYA CORPORATION
    Inventors: Akira Shimojyou, Kazuo Nakazawa
  • Publication number: 20200004045
    Abstract: An ophthalmic lens, including: an optical portion having: a near portion with a near dioptric power for viewing near distance; and a distance portion with a distance dioptric for viewing a distance further than the near distance; with the near portion or the distance portion being centrally disposed, wherein a portion that is not centrally disposed is annularly disposed at an outer edge of the near portion or the distance portion, the near portion or the distance portion centrally disposed in the optical portion having a portion A in which power is intensified and then weakened when viewed in X direction from a center to a periphery, and having a portion A? in which power is intensified and then weakened when viewed in X? direction from the center to the periphery, which is an opposite direction to the X direction, and also included is a related technique thereof.
    Type: Application
    Filed: February 2, 2017
    Publication date: January 2, 2020
    Applicant: Hoya Corporation
    Inventors: Akira SHIMOJYOU, Kazuo NAKAZAWA