Patents by Inventor Richard J. Nason

Richard J. Nason 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).

  • Progressive addition lenses with adjusted image magnification
    Patent number: 7275822
    Abstract: The invention provides a method for increasing the magnification of a lens without changing the dioptric power. The method of the invention uses a measurement or an estimate of an individual's retinal function in designing the lens to provide the magnification needed by the individual without increasing the dioptric power of the individual's lens.
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: October 2, 2007
    Assignee: Essilor International (Compagnie Generale d'Optique)
    Inventors: Amitava Gupta, Timothy R. Poling, Richard J. Nason
  • Method for designing spectacle lenses taking into account an individual's head and eye movement
    Patent number: 7090348
    Abstract: A method for designing ophthalmic lenses, including progressive addition lenses, and lenses produced by the method are provided. The method permits the direct correlation of an individual's subjective assessment of the lens' performance and the objective measure of lens performance relative to the individual. The method permits generation of lens designs based on the head and eye movement of the individual and the designing of customized lenses.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: August 15, 2006
    Assignee: Essilor International (Compagnie Generale d'Optique)
    Inventors: Richard J. Nason, Amitava Gupta, Arkady Selenow, Kenneth J. Ciuffreda, George A. Zikos, Edgar V. Menezes
  • Ophthalmic lenses for high order aberration correction and processes for production of the lenses
    Patent number: 6554425
    Abstract: The invention provides multifocal ophthalmic lenses that have zones of more than one optical power, or focal length. The lenses correct for high order optical aberrations in more than one field of gaze.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: April 29, 2003
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Jeffrey H. Roffman, Richard J. Nason, Edgar V. Menezes
  • Contact lenses bearing marks
    Publication number: 20010013921
    Abstract: This invention provides a contact lens comprising a front surface, a back surface, and an identifying mark, wherein said identifying mark comprises one or more holes depressed into at least one of said surfaces of said lens.
    Type: Application
    Filed: March 20, 2001
    Publication date: August 16, 2001
    Inventors: Jongliang Wu, Carl G. Crowe, Khaled A. Chehab, Timothy R. Poling, Jon Scott Walker, Victor Lust, Richard J. Nason
  • Contact lenses bearing marks
    Patent number: 6203156
    Abstract: This invention provides a contact lens comprising a front surface, a back surface, and an identifying mark, wherein said identifying mark comprises one or more holes depressed into at least one of said surfaces of said lens.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: March 20, 2001
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Jongliang Wu, Khaled A. Chehab, Carl G. Crowe, Victor Lust, Richard J. Nason, Timothy R. Poling, Jon Scott Walker
  • Multifocal ophthalmic lenses
    Patent number: 6179420
    Abstract: The invention provides a pair of multifocal lenses for the correction of presbyopia. The dominant eye lens has an optic zone with the distance optical power required and additional zones of either or both distance and near optical power. The non-dominant eye lens has an optic zone with the near optical power and additional zones of either or both near and distance optical power.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: January 30, 2001
    Assignee: Johnson & Johnson Vision Products, Inc.
    Inventors: Jeffrey H. Roffman, Timothy A. Clutterbuck, Richard J. Nason, Timothy R. Poling, Michel Guillon
  • Contact lenses bearing identifying marks
    Patent number: 6024448
    Abstract: This invention provides a contact lens comprising a front surface, a back surface and an identifying mark on at least one of said front surface and said back surface, wherein said identifying mark comprises a depressed region having a cross-section which comprises at least two intersecting concave surfaces at the bottom of said depressed region.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: February 15, 2000
    Assignee: Johnson & Johnson Vision Products, Inc.
    Inventors: Jongliang Wu, Khaled A. Chehab, Carl G. Crowe, Timothy R. Poling, Richard J. Nason, Jon Scott Walker, Susan-Wendy B. Neadle, Patricia Ann Hutfles, W. Anthony Martin