Inventor

Kwang-Choon Chung

Inventor

Yongin-si, KR

Overview

61→

Patents

2000–2019

Patent span

Chemistry

Primary field (CPC C)

Patents· 61 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Dprimary

C09DCoating compositions, e.g. paints, varnishes or lacquers11%

H05KPrinted circuits10%

Y10TTechnical subjects covered by former us classification7%

B41JTypewriters6%

H01BCables6%

C23CCoating metallic material5%

B82YSpecific uses or applications of nanostructures3%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%

C09KMaterials for miscellaneous applications, not provided for elsewhere3%

H10KOrganic electric solid-state devices3%

PatentTitleYear

10,383,212Printed circuit board having EMI shielding function, method for manufacturing the same, and flat cable using the same2019 10,178,773Method for manufacturing a metal printed circuit board2019 10,080,299Manufacturing method of double sided printed circuit board2018 9,914,743'Organic silver complexes, their preparation methods and their methods for forming thin layers'2018 9,839,138Method for fabricating blackened conductive patterns2017 9,832,882Method for making conductive pattern and conductive pattern2017 9,831,487Method for manufacturing transparent electrode film2017 9,832,881Method of manufacturing transparent electrode film for display and transparent electrode film for display2017 9,788,418'Conductive transparent substrate manufacturing method, and conductive transparent substrate'2017 9,786,843'Methods for fabricating an optoelectronic device'2017 9,671,542'Method for manufacturing polarizing film'2017 9,556,065'Transparent conductive layer and preparation method thereof'2017 9,524,046'Method for manufacturing hybrid transparent electrode and hybrid transparent electrode'2016 9,431,616'Phosphaphenanthrene-carbazole-based organic light-emitting compound, and organic light-emitting device comprising same'2016 9,396,843'Method of manufacturing a transparent conductive layer and transparent conductive layer manufactured by same'2016 9,365,935'Etching solutions'2016 9,313,900'Method for manufacturing a double-sided printed circuit board'2016 9,299,483'Method for manufacturing transparent conductive film'2016 9,290,844'Method for preparing metallic thin film'2016 9,269,478'Transparent conductive film-preparing method and transparent film prepared therefrom'2016 9,230,707'Production method for a transparent conductive film and a transparent conductive film produced thereby'2016 9,167,735'Method for manufacturing electromagnetic interference shielding film'2015 9,107,317'Method for fabricating blackened conductive patterns'2015 9,096,737'Method for preparing resin compositions containing nano silver particles'2015 9,090,785'Silver ink composition'2015 8,979,972'Method for manufacturing metal flakes'2015 8,944,586'Printer bed and ink jet printer using the same'2015 8,866,128'Organic electroluminescent device and preparation method thereof'2014 8,828,352'Process for preparation of silver oxide'2014 8,821,753'Etching Solutions'2014 8,764,960'Manufacturing methods for metal clad laminates'2014 8,679,242'Organic silver complexes, their preparation methods and their methods for forming thin layers'2014 8,556,360'Textile printing method and apparatus applying inkjet printer'2013 8,523,307'Printing system'2013 8,518,478'Conductive fibers and a method of manufacturing the same'2013 8,491,866'Process for preparation of silver oxide'2013 8,445,578'Compositions for forming reflecting layer having organic silver complexes, and method for preparing reflecting layer using same'2013 8,425,021'Ink cartridge for printer'2013 8,398,219'Ink jet printer module and printer using the same'2013 8,394,512'Phosphaphenanthrene compounds and organic light emitting diode using the same'2013 8,366,958'Etching solutions'2013 8,362,276'Beta-sulfone imides and preparation thereof'2013 8,282,860'Process for preparation of silver nanoparticles, and the compositions of silver ink containing the same'2012 8,252,382'Aluminum wheel having high gloss'2012 8,232,549'Iridium complex containing carbazole-substituted pyridine and phenyl derivatives as main ligand and organic light-emitting diodes containing the same'2012 8,226,755'Organic silver complexes, their preparation methods and their methods for forming thin layers'2012 8,211,453'Antibacterial composition containing organic silver complexes, antibacterial treatment methods using the same and antibacterial formed article'2012 8,162,441'Ink-cartridge loading/unloading apparatus'2012 8,128,211'Ink-cartridge for printers'2012 7,997,708'Ink-cartridge for printers and ink refilling method'2011 7,955,528'Conductive inks and manufacturing method thereof'2011 7,771,620'Polyelectrolyte composition for humidity senser, polyelectrolyte ink and preparation method of poly electrolyte membrane for sensor by inkjet printing'2010 7,691,294'Conductive inks and manufacturing method thereof'2010 7,686,436'Ink recharging system for ink cartridge, bulk ink cartridge used in said system, and ink recharging method using them'2010 7,661,804'Ink recharge system and ink recharge method for ink cartridge'2010 7,618,561'Organic silver compound and it\'s preparation method, organic silver ink and it\'s direct wiring method'2009 7,571,995'Ink cartridge refill system for inkjet printers and method of refilling ink cartridges using the same'2009 7,374,605'Printing ink applying to various textile materials, the process for preparing it and the printing method using it'2008 6,822,021'Silicone aqueous emulsion release liquid and release film using the same'2004 6,737,119'Method for producing release film using silicone aqueous emulsion release liquid'2004 D0422632'Ink cartridge refill case'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2018Based in Seoul, KR· patent location history

2008–2019Patents assigned to INKTEC CO LTD (54)· patent assignee history

2010–2017Based in Yongin, KR· patent location history

2011–2019Based in Yongin-si, KR· patent location history

2012–2017Patents assigned to CHUNG KWANG CHOON (17)· patent assignee history

2012–2016Patents assigned to CHUNG KWANG-CHOON (16)· patent assignee history

2012–2016Patents assigned to CHO HYUN-NAM (13)· patent assignee history

2012–2017Patents assigned to YOO JI HOON (12)· patent assignee history

2012–2018Based in Gyeonggi-do, KR· patent location history

2012–2013Based in Kyungki-do, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
INKTEC CO LTD	54	2008–2019
CHUNG KWANG CHOONself	17	2012–2017
CHUNG KWANG-CHOONself	16	2012–2016
CHO HYUN-NAM	13	2012–2016
YOO JI HOON	12	2012–2017

Locations

Location	Patents	Span
Yongin-si, KR	23	2011–2019
Gyeonggi-do, KR	14	2012–2018
Seoul, KR	11	2000–2018
Yongin, KR	9	2010–2017
Kyungki-do, KR	4	2012–2013