Patents by Inventor Erik Verburg

Erik Verburg 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).

  • Multifocal ophthalmic lens to be worn in or on the eye
    Patent number: 10031347
    Abstract: An ophthalmic multifocal lens to be worn on or in a human eye. The lens has an optical portion with anterior and posterior surfaces and a circumferential peripheral boundary. The optical portion has far vision zones having a first refractive power and near vision zones having an add power. The far visions zones and near vision zones include ring segments having one of the refractive powers each radially bounding a more central zone of another one of the refractive powers. The ring segments include ring segments bordering on the peripheral boundary and alternating in circumferential sense along the full circumference of the peripheral boundary.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: July 24, 2018
    Assignee: Ophtec B.V.
    Inventors: Erik Verburg, Peter Biemold, Alfred Willem Wassenburg
  • MULTIFOCAL OPHTHALMIC LENS TO BE WORN IN OR ON THE EYE
    Publication number: 20170010477
    Abstract: An ophthalmic multifocal lens to be worn on or in a human eye. The lens has an optical portion with anterior and posterior surfaces and a circumferential peripheral boundary. The optical portion has far vision zones having a first refractive power and near vision zones having an add power. The far visions zones and near vision zones include ring segments having one of the refractive powers each radially bounding a more central zone of another one of the refractive powers. The ring segments include ring segments bordering on the peripheral boundary and alternating in circumferential sense along the full circumference of the peripheral boundary.
    Type: Application
    Filed: February 2, 2015
    Publication date: January 12, 2017
    Applicant: Ophtec B.V.
    Inventors: Erik Verburg, Peter Biemold, Alfred Willem Wassenburg