Inventor

Hyun-Nam Cho

Inventor

Seoul, KR

Overview

58→

Patents

1993–2018

Patent span

Chemistry

Primary field (CPC C)

Patents· 58 as inventor

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

C09Kprimary

C09KMaterials for miscellaneous applications, not provided for elsewhere9%

C09DCoating compositions, e.g. paints, varnishes or lacquers8%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%

H10KOrganic electric solid-state devices6%

Y10TTechnical subjects covered by former us classification6%

H01BCables5%

H05BElectric heating5%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

C23CCoating metallic material4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

9,914,743'Organic silver complexes, their preparation methods and their methods for forming thin layers'2018 9,873,662Metal precursor and metal precursor ink using the same2018 9,803,098'Conductive ink'2017 9,786,843'Methods for fabricating an optoelectronic device'2017 9,683,123'Silver ink'2017 9,556,065'Transparent conductive layer and preparation method thereof'2017 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 9,299,483'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 9,096,737'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 8,866,128'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 8,518,478'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 8,394,512'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 7,955,528'Conductive inks and manufacturing method thereof'2011 7,875,748'Compound derived from cyclopentadienone, preparation method thereof and EL element using the same'2011 7,740,771'Methods of determining a composition ratio of an organic white-light-emitting blend material'2010 7,691,294'Conductive inks and manufacturing method thereof'2010 7,556,867'Iridium (III) complex with heteroatom linking group and organic electroluminescent device using the same'2009 7,318,964'Fluorene compounds containing various functional groups, polymers thereof and EL element using the same'2008 7,084,231'Polyarylene compounds, polymers thereof, and electroluminescence element using the same'2006 7,001,538'PTC composition and PTC device comprising the same'2006 6,835,468'Fluorene based polymers and light emitting diodes fabricated with the same as light emitting material'2004 6,828,362'PTC composition and PTC device comprising it'2004 6,800,381'Fluorene compound, polymers thereof having a polyphenylene group, and EL element comprising the same'2004 6,780,950'Pyrrole compounds, polymers thereof and EL element using the same'2004 6,716,947'Method for preparing dimethyl dipropargylmalonate polymer containing six-membered ring structure'2004 6,663,961'Process for preparation of polyester-based polymers'2003 6,344,286'Diacetylene-based polymer containing light emitting group and electroluminescent device using the same'2002 6,323,305'Process for preparing polyethylene naphthalate based polymers by using NDCA or its derivates'2001 6,040,417'Process for preparing polyethylene naphthalate based polymers'2000 5,876,864'Fluorene-based alternating polymers containing acetylene group and electroluminescence element using the same'1999 5,807,974'Fluorene-based alternating copolymers for electroluminescence element and electroluminescence element using such copolymers as light emitting materials'1998 5,742,370'Fabrication method for liquid crystal alignment layer by magnetic field treatment'1998 5,714,570'Method for the preparation of polyester by use of composite catalyst'1998 5,505,870'Piezoelectric ceramic-polymer composite material and method for preparing the same'1996 5,286,836'Process for forming polyesters'1994 5,243,022'Method for forming polyesters'1993 5,237,042'Process for the preparation of polybutylene terephthalate based polymer'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2011Patents assigned to KOREA INST SCI & TECH (19)· patent assignee history

1993–2011Based in Seoul, KR· patent location history

2009–2017Based in Gunpo-si, KR· patent location history

2010–2018Patents assigned to INKTEC CO LTD (32)· patent assignee history

2010–2018Based in Gunpo, KR· patent location history

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

2012–2017Patents assigned to CHUNG KWANG CHOON (12)· patent assignee history

2012–2016Patents assigned to CHUNG KWANG-CHOON (12)· patent assignee history

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

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	32	2010–2018
KOREA INST SCI & TECH	19	1993–2011
CHO HYUN-NAMself	13	2012–2016
CHUNG KWANG CHOON	12	2012–2017
CHUNG KWANG-CHOON	12	2012–2016

Locations

Location	Patents	Span
Seoul, KR	22	1993–2011
Gunpo-si, KR	16	2009–2017
Gyeonggi-do, KR	10	2012–2018
Gunpo, KR	8	2010–2018
Kyungki-do, KR	2	2013