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4NSYS CO LTD

Overview
  • Total Patents
    24
About

4NSYS CO LTD has a total of 24 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Republic of Korea, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets audio-visual technology, computer technology and control are PODICSSYSTEM CO LTD, ULTRAK INC and INTERACTIVE PICTURES CORP.

Patent filings in countries

World map showing 4NSYS CO LTDs patent filings in countries

Patent filings per year

Chart showing 4NSYS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kim Hak Tae 10
#2 Oh Taek Man 7
#3 Lee Dong Ho 4
#4 Hahn Ghee Mahn 3
#5 Han Gi Man 3
#6 Lee Jae Cheol 3
#7 Hwang Jung Ho 2
#8 Jung Yeon Chul 2
#9 Hwang Du Yeong 2
#10 Park Chan Ho 2

Latest patents

Publication Filing date Title
KR101332754B1 Intelligent central surveillance server system and controlling method thereof
KR101268977B1 Surveillance camera apparatus for real time check input voltage
KR101210635B1 Authentication system and controlling method thereof
KR100960915B1 An assembling security device
KR100814510B1 Entrance and exit certifying system and method thereof
KR100833615B1 Remote monitoring system and method thereof
KR100757054B1 Mobile server apparatus for mobile communication terminal, remote monitoring system using the same and remote monitoring method thereof
KR100672924B1 Remote monitoring apparatus and system and method thereof
KR20040048325A Multiplexer for multi channel video signal
KR20040048326A Site controller
WO0161999A1 Multi-channel image encoding method and system
KR20010083459A Multi-channel image encoding system and method for operating memory blocks therein
KR20010083460A Multi-chennel image encoding system using synch priority detection
KR20010081373A Apparatus and method for detecting a motion in a video signal
KR20010081370A Multi-channel display system
KR20010011309A Algorithm and Implementation Method of a Low-Complexity Video Encoder
KR100249088B1 Apparatus and method of idct for compressing and restoring image signal
KR100249086B1 Motion detection and compensating apparatus of video encoder
KR100249087B1 Apparatus and method for half pixel motion estimation for moving picture encoder
KR100269744B1 Signal processing apparatus and method for subband analysis of audio signal compressing