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CHANG SUNG CHEOL

Overview
  • Total Patents
    24
About

CHANG SUNG CHEOL has a total of 24 patent applications. Its first patent ever was published in 2000. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Republic of Korea. Its main competitors in its focus markets telecommunications, digital networks and audio-visual technology are ENGLUND EVA, MATSUO HIDENORI and CARIOU LAURENT.

Patent filings in countries

World map showing CHANG SUNG CHEOLs patent filings in countries

Patent filings per year

Chart showing CHANG SUNG CHEOLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Sung Cheol 24
#2 Yoon Chul Sik 22
#3 Kim Sung Kyung 15
#4 Lim Kwang Jae 14
#5 Kim Won-Ik 13
#6 Lee Hyun 10
#7 Kim Eunkyung 7
#8 Jin Sung-Geun 5
#9 Kim Hyun-Jae 4
#10 Kim Seokki 4

Latest patents

Publication Filing date Title
US2013077512A1 Method and terminal for direct communication between terminals
US2013016646A1 Terminal of supporting direct communication using infra communication and direct communication method of the same
US2012294245A1 Method and terminal for performing direct communication between terminals
US2012224546A1 Method and terminal for performing direct communication between terminals
US2012163278A1 Method for performing direct communication between terminals
US2012188981A1 Signalling method for direct communication between terminals
US2011092239A1 Apparatus for managing radio resources of base station and method for managing the same
US2011092235A1 Apparatus for measuring radio environment of base station and method for measuring the same
WO2010027176A2 Terminal and method for handover thereof
WO2010027163A2 Transmitting device, transmitting method, and receiving method for multicast and broadcast service
WO2010005208A2 Identifying method and protocol data unit generating apparatus
WO2009136729A2 Method of transmiting control information and terminal thereof
WO2009157643A2 Femtocell search method for macro to femto handover
US2010220691A1 Method and apparatus for transmitting broadcasting information
KR20010084366A Photo-file service system and service method of using the photo-file
KR20010084365A Method of expanding storage on internet and mail system using thereof