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CHA GEUN SIG

Overview
  • Total Patents
    15
About

CHA GEUN SIG has a total of 15 patent applications. Its first patent ever was published in 1999. It filed its patents most often in United States, Republic of Korea and EPO (European Patent Office). Its main competitors in its focus markets measurement, medical technology and machines are CHAN FRANK A, HOENES JOACHIM and DELTA DANSK ELEKTRONIK LYS & AKUSTIK.

Patent filings per year

Chart showing CHA GEUN SIGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cha Geun Sig 15
#2 Nam Hakhyun 11
#3 Shin Jae Ho 6
#4 Cha Eun-Jong 5
#5 Kim Kyung-Ah 5
#6 Nam Hak Hyeon 3
#7 Cui Gang 3
#8 Choi Yong Seok 2
#9 Lee Jin Seo 2
#10 Yoon Hyo Jung 2

Latest patents

Publication Filing date Title
KR100747414B1 Residual chlorine sensor
EP1193495A2 Polymeric reference electrode membrane and reference electrode with the membrane
KR20020094701A A porous polymer reference electrode membrane and reference electrode therewith
KR20020026047A A composition for reference electrode membrane and reference electrode therewith
KR20010092830A Planar reference electrode
US6350524B1 Hydrophilic polyurethane-coated chloride-selective electrodes
WO0003222A2 Method for fabricating biosensors using hydrophilic polyurethane