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COADNA PHOTONICS INC

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    214,708
About

COADNA PHOTONICS INC has a total of 15 patent applications. Its first patent ever was published in 2001. It filed its patents most often in United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics, telecommunications and machines are ACCELIGHT INVESTMENTS INC, TELOPTICS CORP and SANYO ENGINEER & CONSTRUCTION INC.

Patent filings in countries

World map showing COADNA PHOTONICS INCs patent filings in countries

Patent filings per year

Chart showing COADNA PHOTONICS INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Kelly Jack R 7
#2 Washburn Hudson 5
#3 Yuan Haiji J 4
#4 Li Qingyu Tom 3
#5 Zhong Shan 3
#6 Li Fenghua 3
#7 Xue Meng 2
#8 Kelly Jack Robert 2
#9 Zhu Zhonghua 2
#10 Liu Xuewu 2

Latest patents

Publication Filing date Title
US10367596B1 Multiple wavelength selective switch with shared switch
WO2015051023A1 Distributed optical switching architecture for data center networking
US9435957B1 Cyclic demultiplexer with grating and mirror array
US2013120695A1 Tunable Flat-Top Liquid Crystal Optical Filter
US2011109869A1 Reconfigurable wavelength selective cross-connect switch using liquid crystal cells
US7492986B1 Apparatus and method for optical switching with liquid crystals and birefringent wedges
US7499608B1 Apparatus and method for optical switching with liquid crystals and birefringent wedges
US7035009B1 Apparatus and method for controlling polarization in an optical communications medium
US6614572B2 Apparatus and method for controlling optical gain profiles in a temperature independent manner
US6765635B1 Apparatus and method for achromatic liquid crystal electro-optic modulation
US6747774B2 Apparatus and method for controlling optical gain profiles