Patents by Inventor Umar Ahmad

Umar Ahmad 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 of forming a plate for dispensing chemicals
    Patent number: 6955777
    Abstract: A plate for use in mixing and testing materials in the pharmaceutical industry is formed by a method in which apertures in a set of greensheets are formed by a material removal process, at least some of the apertures being filled with a fugitive material that escapes during sintering.
    Type: Grant
    Filed: January 7, 2003
    Date of Patent: October 18, 2005
    Assignee: International Business Machines Corporation
    Inventors: Govindarajan Natarajan, Umar Ahmad, Raschid J. Bezama, James N. Humenik, John U. Knickerbocker, Rao V. Vallabhaneni
  • A Method of Making a Multichannel and Multilayer Pharmaceutical Device
    Publication number: 20050077657
    Abstract: A plate for use in mixing and testing materials in the pharmaceutical industry is formed by a method in which apertures in a set of greensheets are formed by a material removal process, at least some of the apertures being filled with a composite material combining a durable matrix material that remains in the final structure and a temporary material that is removed after the sintering step. An array of apertures is formed in a template plate by photolithographic means and transferred to an adjacent greensheet.
    Type: Application
    Filed: October 14, 2003
    Publication date: April 14, 2005
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: UMAR AHMAD, RASCHID BEZAMA, JAMES HUMENIK, JOHN KNICKERBOCKER, GOVINDARAJAN NATARAJAN, RAO VALLABHANENI
  • Multichannel and multilayer pharmaceutical device
    Publication number: 20040129371
    Abstract: A plate for use in mixing and testing materials in the pharmaceutical industry is formed by a method in which apertures in a set of greensheets are formed by a material removal process, at least some of the apertures being filled with a fugitive material that escapes during sintering.
    Type: Application
    Filed: January 7, 2003
    Publication date: July 8, 2004
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Govindarajan Natarajan, Umar Ahmad, Raschid J. Bezama, James N. Humenik, John U. Knickerbocker, Rao V. Vallabhaneni