Patents by Inventor Ranganath Ramakrishnan Raja

Ranganath Ramakrishnan 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).

  • Method and system for SKU tracking and changeover
    Patent number: 6609041
    Abstract: A method for tracking multiple SKUs of ophthalmic devices in a manufacturing line, comprises the steps of: assembling first molding devices, at least one of the first molding devices having an identification device, such as, a bar-code or an inductive transmitting/receiving device; reading the identification device of the first molding devices; forming first molded parts using the first molding devices; providing a plurality of carriers, the carriers having carrier indicators; transferring the first molded parts to at least one of a plurality of carriers; reading the carrier indicator of the carrier carrying the first molded parts; and storing in machine-accessible memory the information associated with the identification device of the first molding devices and the information associated with the carrier indicator of the carrier carrying the first molded parts.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: August 19, 2003
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Ravi S. Sanka, Gregory Scott Duncan, Ranganath Ramakrishnan Raja, Gary S. Hall, Daniel Tsu-Fang Wang
  • Primary package for contact lens
    Patent number: 6029808
    Abstract: This invention provides a blister pack comprising a base and a cover, wherein said base comprises a recess which houses a contact lens and solution, wherein the thickness of the material of said recess is less than 0.75 mm, and said recess houses less than 0.75 ml solution.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: February 29, 2000
    Assignee: Johnson & Johnson Vision Products, Inc.
    Inventors: James Malcolm Peck, Gary L. Collins, Jerry Wayne Dukes, Gregory Scott Duncan, George E. Himes, Kornelis Renkema, Michael J. Tersak, Donnie Jerome Duis, Ranganath Ramakrishnan Raja