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OH CHEONG SEOK

Overview
  • Total Patents
    12
About

OH CHEONG SEOK has a total of 12 patent applications. Its first patent ever was published in 2001. It filed its patents most often in Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets telecommunications, it methods for management and audio-visual technology are HONGKONG HUNG YUEN DEV LTD, BIRDLAND SOFTWARE INC and XIE CHENGHUO.

Patent filings in countries

World map showing OH CHEONG SEOKs patent filings in countries

Patent filings per year

Chart showing OH CHEONG SEOKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oh Cheong Seok 12

Latest patents

Publication Filing date Title
KR20020069145A Realtime/on-demand wireless multicasting system using mobile terminal and method thereof
KR20030026373A Transmitting server having apparatus for managing memory and method thereof
KR20020079326A On-demand/reservation type wireless multicasting system of using mobile terminal and method thereof
KR20020079327A Realtime/on-demand wireless on-the-spot multicasting system using mobile terminal and method thereof
KR20030016997A Method and system for advertising music disk using computer network
KR20030012653A Distributed server system for transmitting multimedia data and method thereof
KR20010074589A Service method for providing music
KR20010074588A Service method for introducing travel information
KR20010044456A Method for realtime/on-demand wireless broadcasting service using mobile station of mobile communication system