Patents by Inventor Dan Katzman

Dan Katzman 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: 20220373825
    Abstract: Apparatus and methods are described including a progressive lens (20) that is configured to provide a far-vision correction and a near-vision correction. The progressive lens includes a single-focus, far-vision corrective lens (22) that is configured to provide only a portion of the far-vision correction, and a film (24) coupled to the single-focus, far-vision corrective lens (22). The film (24) defines a far-vision corrective portion (26) that is configured to provide the remainder of the far-vision correction, a near-vision corrective portion (28) that is configured to provide additive near-vision correction, and an intermediate portion (30) in which the film transitions between the far-vision corrective portion and the near-vision corrective portion. Other applications are also described.
    Type: Application
    Filed: September 22, 2020
    Publication date: November 24, 2022
    Inventors: Dan Katzman, Haim Engler
  • Patent number: 11378821
    Abstract: Apparatus and methods are described including a progressive lens that is configured to provide a far-vision correction and a near-vision correction. The progressive lens includes a single-focus, far-vision corrective lens that is configured to provide only a portion of the far-vision correction, and a film coupled to the single-focus, far-vision corrective lens. The film defines a far-vision corrective portion that is configured to provide the remainder of the far-vision correction, a near-vision corrective portion that is configured to provide additive near-vision correction, and an intermediate portion in which the film transitions between the far-vision corrective portion and the near-vision corrective portion. Other applications are also described.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: July 5, 2022
    Assignee: Addon Optics Ltd.
    Inventors: Dan Katzman, Haim Engler
  • Publication number: 20210096399
    Abstract: Apparatus and methods are described including a progressive lens that is configured to provide a far-vision correction and a near-vision correction. The progressive lens includes a single-focus, far-vision corrective lens that is configured to provide only a portion of the far-vision correction, and a film coupled to the single-focus, far-vision corrective lens. The film defines a far-vision corrective portion that is configured to provide the remainder of the far-vision correction, a near-vision corrective portion that is configured to provide additive near-vision correction, and an intermediate portion in which the film transitions between the far-vision corrective portion and the near-vision corrective portion. Other applications are also described.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 1, 2021
    Inventors: Dan Katzman, Haim Engler
  • Publication number: 20170299886
    Abstract: Described herein are systems, devices, and methods to manufacture a feature onto the rim of an ophthalmic lens. In one embodiment, there are multiple lens rim features, and they are substantially restricted to the periphery of the lens. In alternative embodiments, the lens rim features are substantially restricted to either the top half or the bottom half of the periphery. In some embodiments, the features are added to a lens that has been finished for vision correction, whereas in other embodiments the features are added to a semi-finished lens. In one embodiment, there is a device for printing lens rim features onto an ophthalmic lens, and in another embodiment there is a system for printing such lens rim features. One embodiment is a method for printing a lens rim feature onto a lens, including the use of a device with a print-head and one or two grasping devices.
    Type: Application
    Filed: April 13, 2017
    Publication date: October 19, 2017
    Applicant: VECTORIM LTD.
    Inventors: Yuval CARMON, Tamir WEBMAN, Dan KATZMAN
  • Patent number: 9164295
    Abstract: A method for determining parameters of the vision of an eye of a patient. The method comprises: constituting a part of a process of making a prescription for a corresponding lens via which the patient is expected to gaze in at least two different directions; and measuring in one of the two directions all of the following parameters of the eye's vision: sphere power, cylinder and cylinder axis, and measuring in the other of the two directions at least two of said parameters.
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: October 20, 2015
    Assignee: SHAMIR OPTICAL INDUSTRY LTD.
    Inventors: Yuval Carmon, Dan Katzman
  • Publication number: 20140319748
    Abstract: A pre-production assembly of a semi-finished ophthalmic lens with a prismatic holding block and a method for producing such pre-production assembly, the method may include receiving as input pre-collected data about typical values of calculated prism for lens with different parameters; and according to the received input, producing a pre-production assembly of semi-finished ophthalmic lens with prismatic holding block. The pre-production assembly may include a semi-finished ophthalmic lens having one face finished with a base curvature; and a block assembly attached to the finished face of said lens, the block assembly having a connector to mount the semi-finished lens on a processing device and an adhesive layer adhering the block assembly to the finished face of the lens, the block assembly having a prism value determined according to lens parameters and the pre-collected data about typical values of calculated prism for lens with different parameters.
    Type: Application
    Filed: April 26, 2013
    Publication date: October 30, 2014
    Applicant: Shamir Optical Industry Ltd.
    Inventors: Haim HAINEBACH, Dan KATZMAN, Zohar KADMON
  • Publication number: 20130188143
    Abstract: A method for determining parameters of the vision of an eye of a patient. The method comprises: constituting a part of a process of making a prescription for a corresponding lens via which the patient is expected to gaze in at least two different directions; and measuring in one of the two directions all of the following parameters of the eye's vision: sphere power, cylinder and cylinder axis, and measuring in the other of the two directions at least two of said parameters.
    Type: Application
    Filed: October 3, 2011
    Publication date: July 25, 2013
    Applicant: SHAMIR OPTICAL INDUSTRY LTD.
    Inventors: Yuval Carmon, Dan Katzman
  • Publication number: 20130042489
    Abstract: A device and method for measuring the pantoscopic tilt of a lens installed in a frame, the device comprising an orientation sensor for measuring pantoscopic tilt and an attachment member to attach the device to a lens. The method comprises marking a center of the pupil on a lens while a patient is wearing the spectacles, attaching a measurement device at the marked center of the pupil point and while the device is attached to the lens, reading the pantoscopic tilt value from the device while the patient is wearing the spectacles in a natural position of the head for looking at the horizon.
    Type: Application
    Filed: August 16, 2011
    Publication date: February 21, 2013
    Inventors: Oded KATZMAN, Dan KATZMAN
  • Patent number: 7997733
    Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: August 16, 2011
    Assignee: e-Vision, LLC
    Inventors: Ronald D. Blum, Dwight P. Duston, Dan Katzman
  • Patent number: 7828433
    Abstract: Progressive lens for viewing a field of vision having at least a first portion including objects in a first range of distances from a viewer and a second portion including objects in a second range of distances from the viewer, the lens comprising: at least two different power zones, the first power zone having lens power required by the viewer for the first range of distances of viewed objects from the viewer, and the second power zone having lens power required by the viewer for the second range of distances of viewed objects from the viewer, wherein the size and location on the lens of the first power zone correspond to size and location in the field of vision of the first portion, and wherein the size and location on the lens of the second power zone correspond to size and location in said field of vision of the second portion.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: November 9, 2010
    Assignee: Shamir Optical Industry
    Inventors: Dan Katzman, Gabby Weinrot
  • Publication number: 20100253906
    Abstract: A device and method for verifying the fitting of ophthalmic lenses in a frame for spectacles, the device comprising a mask to be placed on at least one lens of the spectacles, the mask having at least one transparent stain within an opaque area of the mask, the stain located correspondingly to a test point on the lens. The method comprising placing a mask on at least one lens installed in the spectacle's frame, the mask having at least one transparent stain within an opaque area of the mask, the stain located correspondingly to a test point on the lens. Additionally, a system and method for optometric measurements by using the described mask are also provided.
    Type: Application
    Filed: April 7, 2009
    Publication date: October 7, 2010
    Inventors: Dan KATZMAN, Gabby Weinrot, Niv Adut
  • Patent number: 7744214
    Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: June 29, 2010
    Assignee: E-Vision LLC
    Inventors: Ronald D. Blum, Dwight P. Duston, Dan Katzman
  • Publication number: 20100097570
    Abstract: Progressive lens for viewing a field of vision having at least a first portion including objects in a first range of distances from a viewer and a second portion including objects in a second range of distances from the viewer, the lens comprising: at least two different power zones, the first power zone having lens power required by the viewer for the first range of distances of viewed objects from the viewer, and the second power zone having lens power required by the viewer for the second range of distances of viewed objects from the viewer, wherein the size and location on the lens of the first power zone correspond to size and location in the field of vision of the first portion, and wherein the size and location on the lens of the second power zone correspond to size and location in said field of vision of the second portion.
    Type: Application
    Filed: October 22, 2008
    Publication date: April 22, 2010
    Inventors: Dan KATZMAN, Gabby WEINROT
  • Publication number: 20090213325
    Abstract: The present invention provides a progressive lens comprising at least one area with gradually increasing optical power, the area having a first region where the gradient of the optical power decreases towards a second region with reduced gradient of optical power, and a third region following the second region where the gradient of the optical power increases. The present invention further provides a method for producing progressive lens, the method comprising computing location on the lens on which a second region with reduced gradient of optical power should be produced and a required optical power in the second region; producing based on the computations an area on the lens with gradually increasing optical power, the area having a first region where the gradient of the optical power decreases towards the second region, and a third region following the second region where the gradient of the optical power increases.
    Type: Application
    Filed: February 25, 2008
    Publication date: August 27, 2009
    Inventors: Dan Katzman, Gabby Weinrot
  • Patent number: 7524059
    Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: April 28, 2009
    Assignee: E-Vision, LLC
    Inventors: Ronald D. Blum, Dwight P. Duston, Dan Katzman
  • Publication number: 20090079938
    Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.
    Type: Application
    Filed: November 21, 2008
    Publication date: March 26, 2009
    Applicant: E-Vision, LLC
    Inventors: Ronald D. Blum, Dwight P. Duston, Dan Katzman
  • Patent number: 7322696
    Abstract: Embodiments of the present invention provide a system and method of producing a customized spectacle lens. According to some exemplary embodiments, a method of producing a customized spectacle lens for use in a personalized viewing environment, e.g., a personalized short-distance viewing environment, a personalized long-distance viewing environment, or a personalized mixed-distance viewing environment, may include determining a personalized power profile of an intended user based on at least a far vision prescription of the user, a near vision prescription of the user, and customized values of a personalized gaze angle and a personalized distance of one or more control points in the viewing environment, the one or more control points corresponding to one or more objects in the viewing environment; and generating target surface data suitable for producing the customized spectacle lens based on the personalized power profile. Other embodiments are described and claimed.
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: January 29, 2008
    Assignee: Shamir Optical Industry
    Inventors: Giora Ben-Zeev, Dan Katzman, Haim Hainebach, Yuval Carmon
  • Publication number: 20080013046
    Abstract: Embodiments of the present invention provide progressive molds including an inner progressive zone having one or more progressive optical properties, an outer bevel zone, and a transition zone in between the progressive and bevel zones to form a generally smooth transition between the progressive zone and the bevel zone.
    Type: Application
    Filed: July 12, 2006
    Publication date: January 17, 2008
    Inventors: Dan Katzman, Yuval Carmon
  • Patent number: 7296357
    Abstract: Some demonstrative embodiments of the invention include devices and/or methods of measuring a personalized lens-orientation value for a spectacle frame supporting a pair of lenses. The device, according to some demonstrative embodiments, may include a pair of orientation-measuring mechanisms, each mechanism adapted to measure a value corresponding to an orientation of a surface of a respective one of the lenses relative to a reference axis. The device may also include an adjustable positioning mechanism to adjust a distance between the pair of orientation-measuring mechanisms according to an inter-pupil distance of the user. Other embodiments are described and claimed.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: November 20, 2007
    Assignee: Shamir Optical Industry
    Inventor: Dan Katzman
  • Publication number: 20070193043
    Abstract: Some demonstrative embodiments of the invention include devices and/or methods of measuring a personalized lens-orientation value for a spectacle frame supporting a pair of lenses. The device, according to some demonstrative embodiments, may include a pair of orientation-measuring mechanisms, each mechanism adapted to measure a value corresponding to an orientation of a surface of a respective one of the lenses relative to a reference axis. The device may also include an adjustable positioning mechanism to adjust a distance between the pair of orientation-measuring mechanisms according to an inter-pupil distance of the user. Other embodiments are described and claimed.
    Type: Application
    Filed: February 21, 2006
    Publication date: August 23, 2007
    Inventor: Dan Katzman