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KIM CHANG H

Overview
  • Total Patents
    11
About

KIM CHANG H has a total of 11 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States. Its main competitors in its focus markets environmental technology, chemical engineering and telecommunications are TANAKA MASAMICHI, ICT KK and HEESUNG ENGELHARD CORP.

Patent filings in countries

World map showing KIM CHANG Hs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing KIM CHANG Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kim Chang H 11
#2 Li Wei 3
#3 Qi Gongshin 2
#4 Schmieg Steven J 2
#5 Polakos Paul A 1
#6 Belton David N 1
#7 Ye Henry H 1
#8 Kowalkowski Janean E 1
#9 Gonze Eugene V 1
#10 Spector George 1

Latest patents

Publication Filing date Title
US2012324868A1 Method for converting constituent gases in an internal combustion engine exhaust gas mixture and a vehicle incorporating the same
US2013074477A1 On-board diagnostic method for NO2 formation in an oxidation catalyst
US2013259779A1 Carbon monoxide-selective oxidation catalysts
US2013085063A1 Method and apparatus for preparing a catalyst
US2012291420A1 Oxidation catalysts for engines producing low temperature exhaust streams
US2011070139A1 Catalyst combinations and methods and systems for oxidizing nitric oxide in a gas stream
US2010233045A1 Sulfur tolerant perovskite supported catalysts
US2006246930A1 Method for handling propagation delay in a wireless communication system
US5105630A Air conditioning system containing a plastic drain pan
US5157981A Motion lever
US4953646A Electronic drive propulsion device for motor vehicles