Patents by Inventor Qinhan Li

Qinhan Li 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).

  • Optical fiber ribbon retractor
    Patent number: 9709767
    Abstract: Methods, systems, and apparatus for optical communications. One of the apparatuses includes a spool comprising a spool wheel, one or more separate spool portions positioned on the spool wheel, and one or more bearings positioned on the spool wheel, wherein the one or more spool portions and the one or more bearings are configured such that an optical fiber ribbon can be wound through the spool; and a spring coupled to the spool wheel such that the spring provides a rotational force on the spool in a direction that winds the optical fiber ribbon.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: July 18, 2017
    Assignee: Oplink Communications, LLC
    Inventors: Lily Yu Zhuang, Qinhan Li
  • OPTICAL FIBER RIBBON RETRACTOR
    Publication number: 20150131959
    Abstract: Methods, systems, and apparatus for optical communications. One of the apparatuses includes a spool comprising a spool wheel, one or more separate spool portions positioned on the spool wheel, and one or more bearings positioned on the spool wheel, wherein the one or more spool portions and the one or more bearings are configured such that an optical fiber ribbon can be wound through the spool; and a spring coupled to the spool wheel such that the spring provides a rotational force on the spool in a direction that winds the optical fiber ribbon.
    Type: Application
    Filed: November 10, 2014
    Publication date: May 14, 2015
    Inventors: Lily Yu Zhuang, Qinhan Li