Patents by Inventor Hongliang Chu

Hongliang Chu 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).

  • Few-mode optical fiber
    Patent number: 10451797
    Abstract: Provided is a few-mode optical fiber. The optical fiber includes: a core and a cladding enclosing the core. The cladding includes: a first inner cladding surrounding the core; a first high-refractive-index mode filter layer surrounding the first inner cladding; a second inner cladding surrounding the first high-refractive-index mode filter layer; a second high-refractive-index mode filter layer surrounding the second inner cladding; and an outer cladding surrounding the second high-refractive-index mode filter layer.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: October 22, 2019
    Assignees: STATE GRID JIANGXI ELECTRIC POWER COMPANY INFORMATION & TELECOMMUNICATION BRANCH, STATE GRID CORPORATION OF CHINA, JANGSU UNIVERSITY
    Inventors: Hua Wang, Mingyang Chen, Xiaosheng Wu, Renhua Li, Zhimin Cai, Guodong Cao, Shenyi Li, Luming Li, Jihai Yang, Pingping Fu, Meilan Zheng, Hui Xiao, Hongliang Chu, Jun Li, Fang Yin
  • FEW-MODE OPTICAL FIBER
    Publication number: 20190162899
    Abstract: Provided is a few-mode optical fiber. The optical fiber includes: a core and a cladding enclosing the core. The cladding includes: a first inner cladding surrounding the core; a first high-refractive-index mode filter layer surrounding the first inner cladding; a second inner cladding surrounding the first high-refractive-index mode filter layer; a second high-refractive-index mode filter layer surrounding the second inner cladding; and an outer cladding surrounding the second high-refractive-index mode filter layer.
    Type: Application
    Filed: December 18, 2017
    Publication date: May 30, 2019
    Inventors: Hua WANG, Mingyang CHEN, Xiaosheng WU, Renhua LI, Zhimin CAI, Guodong CAO, Shenyi LI, Luming LI, Jihai YANG, Pingping FU, Meilan ZHENG, Hui XIAO, Hongliang CHU, Jun LI, Fang YIN
  • Back rest for chair
    Patent number: D826614
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: August 28, 2018
    Inventor: Hongliang Chu