Patents by Inventor Thanh Ha

Thanh Ha 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 manufacturing improved corn zein resin films, sheets, and articles
    Publication number: 20040056388
    Abstract: A method of manufacturing sheets, films, and articles of manufacture from a corn zein resin is disclosed. The method permits the manufacture of sheets, films, and articles of a corn zein resin on a commercial scale. The corn zein resin products prepared by the present method exhibit improved physical and esthetic properties, and can be used in packaging applications or formed into biodegradable articles of manufacture.
    Type: Application
    Filed: September 22, 2003
    Publication date: March 25, 2004
    Applicant: The Board of Trustees of the University of Illinois
    Inventors: Graciela Wild Padua, Andrianaivo Maherisoa Rakotonirainy, Toan Thanh Ha
  • Method of manufacturing improved corn zein resin films, sheets, and articles
    Patent number: 6635206
    Abstract: A method of manufacturing sheets, films, and articles of manufacture from a corn zein resin. A wet corn zein resin is formed including corn zein and a fatty acid, and the wet zein resin is cold rolled into sheets. The sheets are dried, and the dried zein resin is processed to form sheets, films, and/or articles of manufacture.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: October 21, 2003
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Graciela Wild Padua, Andrianaivo Maherisoa Rakotonirainy, Toan Thanh Ha
  • Magnetic recording medium with protective barrier layer
    Patent number: 6340521
    Abstract: A magnetic medium is formed with a barrier layer between the magnetic layer and protective overcoat to prevent degradation of magnetic properties during deposition of the protective overcoat due to poisoning effects by reactive gases on the magnetic layer. Embodiments include sputter depositing a Cr or Cr alloy barrier layer, having a thickness of about 5 Å to about 25 Å, on a magnetic layer and sputter depositing a protective overcoat containing carbon and nitrogen on the barrier layer in a nitrogen-containing environment.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: January 22, 2002
    Assignee: Seagate Technology LLC
    Inventors: Phuong Nguyen, Thanh Ha, Elsie Yang Chuang
  • Network transparent access framework for multimedia serving
    Patent number: 5996025
    Abstract: A system, method and computer program are provided for a control server in a client/server environment wherein an API framework facilitates scalable, network transparent, integrated multimedia content loading and data streaming. Concurrent real time content loading and data streaming are possible and techniques are included for admitting new streams only when they can be serviced without negatively affecting current system performance.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: November 30, 1999
    Assignee: International Business Machines Corp.
    Inventors: Michael Norman Day, Peggy PakFan Dixon, Thanh-ha Pham, Lance Warren Russell, Danling Shi, Richard Lee Verburg, Donald Edwin Wood, Leo Yue Tak Yeung
  • Acrylic cutter
    Patent number: 5778903
    Abstract: An acrylic cutter, having a distinct proximal segment used as a handle and a distinct distal segment having a flat top portion and a concave bottom portion. A channel recessed through the mid-section of the top portion of the distal segment produces a thin sharp edge. When said edge is pressed onto the tip of an acrylic fingernail, the impression of a perfect curved line is created on the acrylic nail, thus providing a guideline for creating a flawless french manicure look or similar design using acrylic on the nail.
    Type: Grant
    Filed: January 15, 1997
    Date of Patent: July 14, 1998
    Inventors: Thanh-Ha T. Tran, Leigh Ann Peterson