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LI GUIFANG

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    178,315
About

LI GUIFANG has a total of 26 patent applications. Its first patent ever was published in 1999. It filed its patents most often in United States and China. Its main competitors in its focus markets telecommunications, optics and medical technology are STC SUBMARINE SYSTEMS LTD, EAST PHOTONICS CO LTD and ALCATEL SUBMARCOM.

Patent filings in countries

World map showing LI GUIFANGs patent filings in countries
# Country Total Patents
#1 United States 15
#2 China 11

Patent filings per year

Chart showing LI GUIFANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Guifang 26
#2 Yaman Fatih 6
#3 Zhu Likai 3
#4 Mateo Eduardo 3
#5 Goldfarb Gilad 3
#6 Yan Chuanqing 3
#7 Yan Chuanjia 3
#8 Li Xiaoxu 2
#9 Bai Neng 2
#10 Xie Xiaobo 2

Latest patents

Publication Filing date Title
CN111299230A Cleaning and sterilizing device for equipment of clinical laboratory
CN111420727A Liquid sample inspection operation platform
CN109924860A Electric cooker
CN109924859A Cooking appliance
CN105971046A Excavating equipment
CN105799660A Full-automatic car washer controlled by mobile terminal
CN104353259A Combined rectifying column and application thereof
CN104385416A Method for processing handicraft bamboo joint material
US2014248052A1 Mode-routed optical networks
US2013039627A1 Systems and methods for optical transmission using supermodes
US2012232535A1 Systems and methods for performing digital holography
US2012219303A1 Efficient computation and compensation of linear and nonlinear distortion in dispersion-managed fiber-opic transmission
US2012148207A1 Waveguides configured to simultaneously guide electromagnetic waves of different wavelengths
US2013064554A1 Optical transmission using few-mode fibers
US2010239262A1 Compensation of optical transmission impairments using digital backward propagation
US2010239270A1 Electronic compensation of nonlinear effects of semiconductor optical amplifiers
US2010239254A1 Compensation of transmission impairments in polarization multiplexed systems
US2010239261A1 Electronic compensation of impairments using wavelet filters for backward propagation
US2010092141A1 Silicon photonic fiber and method of manufacture
US2009214215A1 Electronic post-compensation of optical transmission impairments using digital backward propagation