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LIANGJIANG COMM SYSTEM CO LTD

Overview
  • Total Patents
    18
About

LIANGJIANG COMM SYSTEM CO LTD has a total of 18 patent applications. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets telecommunications are METROFONE INC, GUANGDONG COMPANY OF CHINA MOB and CHINA MOBILE COMM CORP GUANGDONG CO LTD.

Patent filings in countries

World map showing LIANGJIANG COMM SYSTEM CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing LIANGJIANG COMM SYSTEM CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Telecommunications

Focus technologies

Top inventors

# Name Total Patents
#1 Shucheng Song 16
#2 Shuangxi Zou 4
#3 Jin Zhou 2
#4 Zhengdong Hu 2
#5 Song Shucheng 1

Latest patents

Publication Filing date Title
CN101827359A System and method for discovering and handling illegally copied SIM cards
CN101827283A System and method for realizing signaling firewall based on signaling point-free access technology
CN101827337A Method for realizing calling connection control when mobile network exportation user is used as called user
CN101827015A System and method for introducing distributed intelligent logical database in communication network
CN101754485A System and method for controlling signaling process based on signaling network
CN101778364A System and method for discovering and governing behaviors of copying SIM cards of mobile phones by adopting forced login
CN101771969A Device for inserting additional information into short message at signaling gateway
CN101771897A System for realizing number upgrade of communication network
CN101771746A Device for inserting additional information into short message on mobile phone terminal
CN101772009A Mobile network number portability service method
CN101771536A Method for realizing calling authentication gateway
CN101771968A Device for inserting additional information into short message on MSC
CN101772008A Signaling relay technology based mobile communication number carrying method
CN101771970A Device for inserting additional information into short message on STP (signaling transfer point)
CN101771757A Method for detecting and intercepting nuisance calls
CN101771971A Device for inserting additional information into short message on short message center
CN101754135A Device for realizing insertion of additional information in short messages
CN1897613A Method for realizing virtual telephone-exchange table accessing control