Patents by Inventor Jia Hu

Jia Hu 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).

  • Tyrosine-phosphatase-related protein
    Patent number: 6312688
    Abstract: The present invention relates to a tyrosine-phosphatase-related protein, a DNA which codes for such a protein and a process for producing such a protein. In addition, the invention concerns the use of the DNA and protein and antibodies directed against the protein.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: November 6, 2001
    Assignees: Deutsches Krebsotorschungszentrum Stiftung des Offentlichen Rechts,, Institut National de la Sante et de la Recherche Medicale
    Inventors: Annemarie Poustka, Petra Kioschis, Jocelyn Laporte, Ling Jia Hu, Jean Louis Mandel, Niklas Dahl
  • Systems and methods for cassette identification for drug pumps
    Patent number: 6123686
    Abstract: The present invention concerns a pump provided with a control module and an attachable fluid reservoir cassette. The control module includes a pumping mechanism for pumping fluid from the fluid reservoir to the patient. The cassette is provided with appropriate indicia to identify differences between a plurality of cassettes. The control module further includes cassette indicia identification structure for identifying indicia on the cassette. One type of cassette identification system includes a projection extending from the cassette and structure associated with the control module which engages the projection. Another type of cassette identification system includes a light reflecting system which utilizes light from the control module and reflected off the cassette. Still other types of cassette identification systems utilize other non-contact switches or sensors to sense indicia on the cassette to identify the cassette from a plurality of cassettes.
    Type: Grant
    Filed: July 14, 1997
    Date of Patent: September 26, 2000
    Assignee: SIMS Deltec, Inc.
    Inventors: James M. Olsen, Jay Gregory Johnson, Jia Hu
  • Free-flow protection devices and methods
    Patent number: 5954485
    Abstract: The present invention describes a free-flow protection device. A pump and tube are provided where the pump affects the flow of fluid through the tube. The device occludes the tube when the tube becomes disengaged from the pump. The device may be internal or external to the tube. The tube may attach to the pump with a pressure plate.
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: September 21, 1999
    Assignee: SIMS Deltec, Inc.
    Inventors: Jay Gregory Johnson, Jia Hu
  • Systems and methods for cassette identification for drug pumps
    Patent number: 5531697
    Abstract: The present invention concerns a pump provided with a control module and an attachable fluid reservoir cassette. The control module includes a pumping mechanism for pumping fluid from the fluid reservoir to the patient. The cassette is provided with appropriate indicia to identify differences between a plurality of cassettes. The control module further includes cassette indicia identification structure for identifying indicia on the cassette. One type of cassette identification system includes a projection extending from the cassette and structure associated with the control module which engages the projection. Another type of cassette identification system includes a light reflecting system which utilizes light from the control module and reflected off the cassette. Still other types of cassette identification systems utilize other non-contact switches or sensors to sense indicia on the cassette to identify the cassette from a plurality of cassettes.
    Type: Grant
    Filed: April 15, 1994
    Date of Patent: July 2, 1996
    Assignee: SIMS Deltec, Inc.
    Inventors: James M. Olsen, Jay G. Johnson, Jia Hu