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OH WAN HO

Overview
  • Total Patents
    16
About

OH WAN HO has a total of 16 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets audio-visual technology, optics and environmental technology are QINGHAI HUIYUAN IND AND TRADE CO LTD, ROTULOS ROURA SA and TAIWAN PLASTIC OPTICAL FIBER CO LTD.

Patent filings in countries

World map showing OH WAN HOs patent filings in countries

Patent filings per year

Chart showing OH WAN HOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oh Wan Ho 16
#2 Maeng Seung Young 2
#3 Jang Dong Hwi 2
#4 Han Gyo Bong 2
#5 Cho Gyeong Su 2
#6 Song Eun Yong 2
#7 Jung Heon Gyeong 1
#8 Oh Yeon U 1
#9 Jeon Chan Koo 1
#10 Lee Gi Mong 1

Latest patents

Publication Filing date Title
WO2014200141A1 Continuous process type apparatus and method for treating waste insulating oil containing polychlorinated biphenyl
WO2011142599A2 Multi-sectioned, billboard-mounted light-emitting device
KR20110137006A The exchangable luminous device using a light emitting diode module
KR20100041037A A organic sludge treatment apparats to be circulated repeatedly and the treating method thereof
KR20090035057A An automatically flow control valve according to water temperature
KR20090035056A An automatically flow control valve using shape memory alloy
KR20050113143A Trafic signal lamp using light emitting diode
KR20040068074A Purification Plant using Potosynthesis Bacterium and Optical Cable
KR20050093553A Air conditioner and heating system using overlapping thermoelectric-element panel and the making method thereof
KR20050054247A Composition and manufacturing method of soap using orient medicine material
KR20020019227A An apparatus for mushroom growing by qarmenting organic waste