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KNJ CO LTD

Overview
  • Total Patents
    121
  • GoodIP Patent Rank
    32,051
About

KNJ CO LTD has a total of 121 patent applications. Its first patent ever was published in 2005. It filed its patents most often in Republic of Korea, Taiwan and Japan. Its main competitors in its focus markets machine tools, semiconductors and optics are BEIJING SEMICORE MICROELECTRONICS EQUIPMENT CO LTD, TOHO ENGINEERING CO LTD and YANCHENG YINGXINTONG TECH CO LTD.

Patent filings in countries

World map showing KNJ CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 110
#2 Taiwan 7
#3 Japan 2
#4 China 1
#5 United States 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Bae Gi Hwan 50
#2 Park Young Il 10
#3 Park Ki Sam 9
#4 Kim Sang Keun 9
#5 Lee Woo Dong 9
#6 Bae Gi-Hwan 9
#7 Park Jong Hyun 8
#8 Shin Jong Hun 8
#9 Son Hee Jin 8
#10 Hwang Tae Bok 7

Latest patents

Publication Filing date Title
KR20190132333A Substrate grinding apparatus
KR20200136635A Substrate grinding apparatus
KR20200114241A Substrate grinding apparatus
KR20200104700A Substrate grinding apparatus
KR20200033489A Double-sided printed circuit board manufacturing method
KR20190124545A Substrate grinding apparatus
KR102035931B1 Manufacturing method for SiC plate
KR20190123505A Manufacturing method for large SiC plate
KR20170039597A Panel machining apparatus for flat type display
KR20170064455A Substrate corner treatment apparatus
KR101807653B1 Substrate champering apparatus
KR20170135615A Substrate treatment apparatus
KR101803949B1 Substrate treatment apparatus
KR20160144014A Substrate polishing apparatus and method of using the same
KR20170133881A Semiconductor package sliming apparatus and method of the same
KR20170133722A Semiconductor package sliming apparatus and method of the same
KR101759125B1 Semiconductor package sliming apparatus and method of the same
KR101762192B1 Semiconductor package sliming apparatus and method of the same
KR20170132051A Semiconductor package sliming apparatus and method of the same
KR101749482B1 Semiconductor package sliming apparatus and method of the same