Patents by Inventor Ranganath Raja

Ranganath Raja 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: 11509755
    Abstract: The present invention is directed to a method and means for enabling contact lens wearers to photograph their own eyes using an electronic device with a camera such as an iPhone with a macro lens, for example, Olloclip® Macro Pro Lens Set 7× lens, and a custom three-dimensional printed eyecup attachment. The eyecup attachment is designed to position the camera at a suitable and reproducible distance from the eye to ensure that the system can focus appropriately on the lens details. The eyecup attachment also serves to block stray light and diffuse the ambient lighting. In addition, the eyecup attachment ensures that the camera is held in the correct orientation while photos are being captured. The capture images are analyzed using image processing software to determine the angel of rotation of the contact lens.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: November 22, 2022
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Jaqunda Patton, Ranganath Raja, Peter Sites, Benjamin Straker, Raymond Szkutak, Jason Tokarski
  • Publication number: 20190104210
    Abstract: The present invention is directed to a method and means for enabling contact lens wearers to photograph their own eyes using an electronic device with a camera such as an iPhone with a macro lens, for example, Olloclip® Macro Pro Lens Set 7× lens, and a custom three-dimensional printed eyecup attachment. The eyecup attachment is designed to position the camera at a suitable and reproducible distance from the eye to ensure that the system can focus appropriately on the lens details. The eyecup attachment also serves to block stray light and diffuse the ambient lighting. In addition, the eyecup attachment ensures that the camera is held in the correct orientation while photos are being captured. The capture images are analyzed using image processing software to determine the angel of rotation of the contact lens.
    Type: Application
    Filed: December 22, 2017
    Publication date: April 4, 2019
    Inventors: Jaqunda Patton, Ranganath Raja, Peter Sites, Benjamin Straker, Raymond Szkutak, Jason Tokarski
  • Patent number: 9612364
    Abstract: The present invention relates to ionic silicone hydrogel polymers comprising at least one pharmaceutical or nutriceutical component and displaying improved lysozyme uptake, low contact angle and reduced water soluble polymeric ammonium salt uptake.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: April 4, 2017
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Shivkumar Mahadevan, Zohra Fadli, Charles Scales, Thomas Maggio, Kunisi Venkatasubban, Eric R. George, James D. Ford, Carrie L. Davis, Leah Hansen, Scott L. Joslin, Douglas G. Vanderlaan, Ranganath Raja, Sharmila Muthukrishnan, C. Surendran, R. Sridharan
  • Patent number: 9125808
    Abstract: The present invention relates to ionic silicone hydrogel contact lenses which comprise at least one pharmaceutical or nutriceutical component and are formed from reaction mixtures comprising a mixture of slow-reacting hydrophilic monomers, including at least one slow-reacting ionic monomer, at least one silicone-containing component and at least one hydroxyl-containing component, wherein the ratio of the slow-reacting hydrophilic component half lives to the silicone-containing component half life is at least 2.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 8, 2015
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Azaam Alli, James D. Ford, Douglas G. Vanderlaan, Scott L. Joslin, Shivkumar Mahadevan, Thomas L. Maggio, Ranganath Raja, Sharmila Muthukrishnan, C. Surendran, R. Sridharan
  • Patent number: 9101667
    Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: August 11, 2015
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Ranganath Raja, Sharmila Muthukrishnan, C. Surendran, R. Sridharan, Shivkumar Mahadevan, Thomas L. Maggio, Azaam Alli, Scott L. Joslin
  • Publication number: 20140329859
    Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.
    Type: Application
    Filed: July 18, 2014
    Publication date: November 6, 2014
    Inventors: Ranganath Raja, Sharmila Muthukrishnan, C. Surendran, R. Sridhara, Shivkumar Mahadevan, Thomas L. Maggio, Azaam Alli, Scott L. Joslin
  • Publication number: 20080085922
    Abstract: Ophthalmic devices and methods of treating allergic conjunctivitis are disclosed herein.
    Type: Application
    Filed: March 16, 2007
    Publication date: April 10, 2008
    Inventors: Ranganath Raja, Shivkumar Mahadevan, Azaam Alti, Frank Molock, Brain Pall
  • Publication number: 20060100408
    Abstract: The present invention relates to a process comprising (a) dosing a reactive mixture comprising at least one crosslinkable prepolymer into a mold; (b) curing said reactive mixture to form a medical device; (c) contacting, said medical device with no more than about 500 mL of solution per medical device; and (d) incorporating, prior to or during said contacting step (c), at least one therapeutic agent.
    Type: Application
    Filed: October 7, 2005
    Publication date: May 11, 2006
    Inventors: P. Powell, Frank Molock, W. Martin, Thomas Rooney, Ranganath Raja, Holly Grammer, Osman Rathore, Shivkumar Mahadevan, Ram Bhat