Patents by Inventor Liming Pi

Liming Pi 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).

  • Diagnostic detection device
    Patent number: 9909981
    Abstract: An optical detection device is provided. The detection device includes a light source emitting light rays, a focusing lens, and a sample testing member. The focusing lens refracts the light rays emitting from the light source to a pre-defined area on the sample testing member and focuses light rays diffusely reflected by the sample testing member. The detection device further includes an aperture diaphragm having an aperture. The aperture is configured to allow the focused reflected light rays to pass through. The detection device further includes a photodetector configured to receive the focused reflected rays passing through the aperture.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: March 6, 2018
    Inventors: Jun Song, Liming Pi, Fengling Chen, Yuan Yuan, Yunhai Qiu
  • Optical detection device
    Publication number: 20140307260
    Abstract: An optical detection device is provided. The detection device includes a light source emitting light rays, a focusing lens, and a sample testing member. The focusing lens refracts the light rays emitting from the light source to a pre-defined area on the sample testing member and focuses light rays diffusely reflected by the sample testing member. The detection device further includes an aperture diaphragm having an aperture. The aperture is configured to allow the focused reflected light rays to pass through. The detection device further includes a photodetector configured to receive the focused reflected rays passing through the aperture.
    Type: Application
    Filed: March 10, 2014
    Publication date: October 16, 2014
    Applicant: HUIERLI BIOTECH. INC. (SHENZHEN)
    Inventors: JUN SONG, Liming Pi, Fengling Chen, Yuan Yuan, Yunhai Qiu