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LEE SANG TAK

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    227,191
About

LEE SANG TAK has a total of 20 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Republic of Korea and China. Its main competitors in its focus markets optics, machines and civil engineering are ROBERT JAMES FLEMING, RATTI IND OTTICA SPA and EYEWEAR FROM BARCELONA S L.

Patent filings in countries

World map showing LEE SANG TAKs patent filings in countries
# Country Total Patents
#1 Republic of Korea 19
#2 China 1

Patent filings per year

Chart showing LEE SANG TAKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Sang Tak 19
#2 Lee Sang-Tak 1

Latest patents

Publication Filing date Title
KR102205097B1 Sharpening Machine For Big Sized Knife For Meat Treating
KR20140142578A Combination structure of eyeglass
CN103777374A Decorative glasses
KR20130074215A Spectacle frames and glasses combination structure of the bridge
KR20130070050A Piping assembly for drain noise reduction between floors
KR20120137832A Preparation of cellulose acetate temples and that stuff
KR101176313B1 Design replaceable temple
KR20110035543A Manufacturing methods of synthetic resin spectacle frame
KR20090121946A Eyeglasses with preventive wrench parts on lens frame
KR100918482B1 Eyeglasses
KR100913364B1 Eyeglasses
KR20090096200A Eyeglasses
KR20090090598A Eyeglasses
KR20090081645A Eyeglasses
KR20090078618A Eyeglasses
KR20090058915A Eyeglasses
KR100888548B1 Eyeglasses
KR100888547B1 Eyeglasses
KR100858492B1 Coupling structure of spectacle temples
KR950003972B1 Method of manufacturing spectacles made from epoxy resin