Patents by Inventor James Grotberg

James Grotberg 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).

  • Flow cytometers and detection system of lesser size
    Publication number: 20060177937
    Abstract: Gas focusing flow cytometers are fabricatable employing simple and inexpensive manufacturing techniques. When such cytometers or conventional cytometers are combined with fiber optical light paths and laser diode and semiconductor photodetectors, light weight and handheld, optionally disposable devices which maintain high performance are possible.
    Type: Application
    Filed: March 20, 2006
    Publication date: August 10, 2006
    Applicant: The Regents of The University of Michigan
    Inventors: Katsuo Kurabayashi, Shuichi Takayama, Steven Skerlos, Dongeun Huh, James Grotberg, Yi-Chung Tung
  • Separation devices and methods for separating particles
    Publication number: 20030040119
    Abstract: The separation of particles in microchannels is described employing devices comprising sample inlets in liquid communication with microchannels, as well as adhesive separation regions, and simple detectors. Components can be fabricated by soft lithography into three dimensional devices, including embodiments with stacked channels separated by a membrane having pores.
    Type: Application
    Filed: April 5, 2002
    Publication date: February 27, 2003
    Applicant: The Regents of The University of Michigan
    Inventors: Shuichi Takayama, Dongeun Huh, James Grotberg