Patents by Inventor Welbin Chen

Welbin Chen 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).

  • Patent number: 8921773
    Abstract: Techniques are described for performing mass spectrometry. A stream of one or more ions is generated. The stream is transmitted into a collision cell over a period of time. In accordance with a set of criteria including a retention time of one or more precursor ions, a collision energy of the collision cell is selected to generate one or more product ions for said one or more precursor ions in said stream.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: December 30, 2014
    Assignee: Waters Technologies Corporation
    Inventors: Scott J. Geromanos, Johannes P. C. Vissers, Craig A. Dorschel, Asish B. Chakraborty, Welbin Chen, Jeffrey Cruz Silva
  • Publication number: 20130105682
    Abstract: Techniques are described for performing mass spectrometry. A stream of one or more ions is generated. The stream is transmitted into a collision cell over a period of time. In accordance with a set of criteria including a retention time of one or more precursor ions, a collision energy of the collision cell is selected to generate one or more product ions for said one or more precursor ions in said stream.
    Type: Application
    Filed: January 19, 2011
    Publication date: May 2, 2013
    Applicant: Waters Technologies Corporation
    Inventors: Scott J. Geromanos, Johannes P.C. Vissers, Craig A. Dorschel, Asish B. Chakraborty, Welbin Chen, Jeffrey Cruz Silva