Patents by Inventor Ujwal Narayan Nirgudkar

Ujwal Narayan Nirgudkar 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).

  • Systems and methods for film processing quality control
    Patent number: 7254324
    Abstract: A photographic film with a row of sprocket holes formed along each edge thereof includes one or more sensitometric step wedges of different light intensity values exposed adjacent one of the rows of sprocket holes on the photosensitive emulsion surface of the film. The light intensity values from one or more of the weges are sensed, and a film process may be adjusted in accordance with the sensed values.
    Type: Grant
    Filed: December 20, 2004
    Date of Patent: August 7, 2007
    Inventor: Ujwal Narayan Nirgudkar
  • Systems and methods for film processing quality control
    Patent number: 6849366
    Abstract: A photographic film with a row of sprocket holes formed on each side thereof includes a sensitometric step wedge of different light intensity values exposed along one side of the film, preferably located between the sprocket holes.
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: February 1, 2005
    Inventor: Ujwal Narayan Nirgudkar