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DE & T CO LTD

Overview
  • Total Patents
    122
  • GoodIP Patent Rank
    164,039
  • Filing trend
    ⇧ 150.0%
About

DE & T CO LTD has a total of 122 patent applications. It increased the IP activity by 150.0%. Its first patent ever was published in 1999. It filed its patents most often in Republic of Korea, Taiwan and China. Its main competitors in its focus markets optics, measurement and audio-visual technology are OLK CO LTD, SHONICS CORP CO LTD and DALIAN LONGNING TECHNOLOGY CO LTD.

Patent filings in countries

World map showing DE & T CO LTDs patent filings in countries

Patent filings per year

Chart showing DE & T CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Song Wang Kyu 8
#2 Lee Byoung Guy 6
#3 Sim Jae Sin 6
#4 Kim Hyun Soo 6
#5 Park Jong Ha 5
#6 Sim Jae-Sin 4
#7 Kang Min Cheol 4
#8 Lee Sang Hoon 4
#9 Lim Dae Gyun 4
#10 Park Noh Sun 4

Latest patents

Publication Filing date Title
WO2019054762A2 Pallet for oled panel inspection
CN106873195A Probe unit more changing device
KR101545844B1 Probe Unit Replacement Device
KR101292261B1 Flat panel display tester
KR20130120660A Apparatus for controlling of optical quality in solar simulator
KR20120139084A Work table for flat display panel tester
KR20120110483A Exposure apparatus
KR20120110482A Having exposure apparatus eddy flow controller
KR20120096322A Pre heater of multi layer laminator
CN101776700A Probe unit for inspecting display panel
KR20100044448A The robot gripper for the reticle transfer of the exposure equipment
KR20100044442A The reticle mounting wheel of the exposure equipment
KR20100044446A The reticle transfer robot of the exposure equipment
KR20100044450A The apparatus for aligning of the cassette for the exposure equipment
CN101236310A Method and apparatus for detecting display panel
TW200831929A Method and apparatus for inspecting display panel
KR100853622B1 Lighting device of micro detecting equipment for a glass panel
KR20080090921A Detecting appartus of micro detecting equipment for a glass panel
KR100814628B1 Apparatus for auditing of auto probe
KR100786997B1 A polarization jig for lcd cell examination