Patents by Inventor Sanger DEMAS

Sanger DEMAS 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).

  • INTRAOCULAR LENS, METHOD FOR DESIGNING THE SAME, AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20220249224
    Abstract: Provided is an intraocular lens including a lens body having a back surface disposed on a retinal side and a front surface disposed on a corneal side, wherein an entire back surface is shaped in such a way as to protrude from a peripheral edge of the back surface toward the retinal side in a direction of an optical axis, in a shape of a truncated cone, and the front surface has any of the following shapes (i) to (iii); (i) the front surface is shaped in such a way as to start to be recessed toward the retinal side in the direction of the optical axis when viewed toward a center from a peripheral edge of the front surface, (ii) the front surface is shaped in such a way that an initial part from the peripheral edge of the front surface toward the center is flat, (iii) the front surface is shaped in such a way as to start to protrude toward the corneal side in the direction of the optical axis when viewed toward the center from the peripheral edge of the front surface, but a rate of rise of a protrusion from
    Type: Application
    Filed: December 21, 2021
    Publication date: August 11, 2022
    Inventor: Sanger DEMAS
  • Intraocular lens, method for designing the same, and method for manufacturing the same
    Patent number: 11234810
    Abstract: Provided is an intraocular lens including a lens body having a back surface disposed on a retinal side and a front surface disposed on a corneal side, wherein an entire back surface is shaped in such a way as to protrude from a peripheral edge of the back surface toward the retinal side in a direction of an optical axis, in a shape of a truncated cone, and the front surface has any of the following shapes (i) to (iii); (i) the front surface is shaped in such a way as to start to be recessed toward the retinal side in the direction of the optical axis when viewed toward a center from a peripheral edge of the front surface, (ii) the front surface is shaped in such a way that an initial part from the peripheral edge of the front surface toward the center is flat, (iii) the front surface is shaped in such a way as to start to protrude toward the corneal side in the direction of the optical axis when viewed toward the center from the peripheral edge of the front surface, but a rate of rise of a protrusion from
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: February 1, 2022
    Assignee: Hoya Corporation
    Inventor: Sanger Demas
  • INTRAOCULAR LENS, METHOD FOR DESIGNING THE SAME, AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20190262127
    Abstract: Provided is an intraocular lens including a lens body having a back surface disposed on a retinal side and a front surface disposed on a corneal side, wherein an entire back surface is shaped in such a way as to protrude from a peripheral edge of the back surface toward the retinal side in a direction of an optical axis, in a shape of a truncated cone, and the front surface has any of the following shapes (i) to (iii); (i) the front surface is shaped in such a way as to start to be recessed toward the retinal side in the direction of the optical axis when viewed toward a center from a peripheral edge of the front surface, (ii) the front surface is shaped in such a way that an initial part from the peripheral edge of the front surface toward the center is flat, (iii) the front surface is shaped in such a way as to start to protrude toward the corneal side in the direction of the optical axis when viewed toward the center from the peripheral edge of the front surface, but a rate of rise of a protrusion from
    Type: Application
    Filed: August 28, 2017
    Publication date: August 29, 2019
    Inventor: Sanger DEMAS