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TOPAZ CO LTD

Overview
  • Total Patents
    14
About

TOPAZ CO LTD has a total of 14 patent applications. Its first patent ever was published in 2006. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets optics, machine tools and electrical machinery and energy are SUPERFOCUS LASER CO LTD, LT ULTRA PREC TECHNOLOGY GMBH and HASTINGS STEPHEN.

Patent filings in countries

World map showing TOPAZ CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 14

Patent filings per year

Chart showing TOPAZ CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jo Chi Un 4
#2 Choi Ki Suk 3
#3 Park Se Jin 3
#4 Lee Byung Ho 3
#5 Lee Chang Ho 2
#6 Ji Jeong Keun 2
#7 Lee Hwa Yeun 1
#8 Kim Young Ju 1
#9 Noh Min Heon 1
#10 Chou Sung Man 1

Latest patents

Publication Filing date Title
KR20140128797A Light guide plate for a backlight unit
KR20140128798A Light guide plate for a backlight unit
KR20140083674A Flat panel type illuminating apparatus and the manufacturing method of the same
KR101261542B1 Apparatus for manufacturing pattern on a light guide plate
KR20130125244A Apparatus for manufacturing pattern on a light guide plate
KR20130125243A Apparatus for manufacturing pattern on a light guide plate
KR20120092413A Appraratus for mamufacturing pattern on a light guide plate and method thereof
KR20120062456A Appraratus for manufacturing pattern on a light guide plate
KR20120062459A Appraratus for manufacturing pattern on a light guide plate
KR20120062458A Appraratus for manufacturing pattern on a light guide plate
KR20120027716A Appraratus for mamufacturing pattern on a light guide plate
KR20120027717A Appraratus for mamufacturing pattern on a light guide plate
KR20120027715A Light guide plate for a backlight unit
KR100814008B1 Apparatus for processing light guide plate by laser