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CHANG HAN

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    233,822
About

CHANG HAN has a total of 13 patent applications. Its first patent ever was published in 2001. 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 medical technology, biotechnology and pharmaceuticals are PRENDERGAST KENNETH F, CALCIVIS LTD and ENGLAND ROBERT L.

Patent filings in countries

World map showing CHANG HANs patent filings in countries

Patent filings per year

Chart showing CHANG HANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Han 13
#2 Chen Jian 3
#3 Ramanathan Chandra 3
#4 Siemers Nathan 3
#5 Lee Liana M 3
#6 Jackson Donald 2
#7 Feder John Nathan 2
#8 Feder John 2
#9 Lee Liana 2
#10 Jackson Donald G 1

Latest patents

Publication Filing date Title
KR20160148183A Isolating module, isolating system and treatment system
KR20040091234A Forceps for inserting implant for spinal fixing
US2004009915A1 Polynucleotides encoding a novel intracellular chloride channel-related polypeptide
WO0208257A2 Siglec (sialic acid-binding ig-related lectin) polypeptides and uses thereof
KR20020078616A Fixing system for spine
KR20020069792A Video camera system hanged on axis of shadowless lights for photographing the scene of operation
KR20020069791A Video camera system remote-controlled by operator for photographing the scene of operation
KR20020069790A Digital video camera system for photographing the scene of operation
KR20020069793A Video camera system installed in portable stand for photographing the scene of operation