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PQ TECH INC

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    204,007
  • Filing trend
    ⇩ 50.0%
About

PQ TECH INC has a total of 14 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2002. It filed its patents most often in Republic of Korea, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, environmental technology and basic communication technologies are HANGZHOU DECHENG ELECTRIC POWER TECH CO LTD, KORBASHOV JURY MIKHAILOVICH and AISWEI NEW ENERGY TECH JIANGSU CO LTD.

Patent filings in countries

World map showing PQ TECH INCs patent filings in countries

Patent filings per year

Chart showing PQ TECH INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Park Byung Ju 13
#2 Yoon Dong Chul 10
#3 Oh Jeong Cheol 2
#4 Jeong Seung Gi 1
#5 Bae Byungyeol 1
#6 Bark Byung Ju 1
#7 Kim Kyoung Jin 1
#8 Shin Tae Seung 1

Latest patents

Publication Filing date Title
KR102036580B1 Improved passive harmonic filter for 3-phase nonlinear load
KR101893704B1 Detect algorithm of inter-harmonic current in Active power filter controller
KR101893292B1 Harmonic filter design method for thyristor power supply for urban railway
KR101661086B1 Individual order of harmonic current detection algorithm of Active power filter
KR20120019652A High voltage reactive power compensator using many single-phase inverters for arc furnace
KR100774100B1 Advanced hybrid harmonics filter
KR20070077192A Single phase active filter for computer server
KR100493987B1 Advanced zero sequence harmonic filter
KR100435620B1 Linear 3 phases 4 wires reactive power compensator
KR100459000B1 Three-phase four-wire active power filter control divice
AU2003273075A1 The harmonic reduction apparatus which use the resonance of the zero-phase-sequence impedance
KR100435106B1 The harmonic reduction apparatus which use the resonance of the ZERO-PHARSE-SEQUENCE IMPEDANCE
KR100383791B1 Hybrid harmonic filter