Inventor

Kyung-yol Yon

Inventor

Seongnam-si, KR

Overview

2002–2012

Patent span

Physics

Primary field (CPC G)

Patents· 43 as inventor

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

G03Gprimary

G03GElectrography63%

C07DHeterocyclic compounds7%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%

Y10TTechnical subjects covered by former us classification3%

A01KAnimal husbandry1%

A47KSanitary equipment1%

B26BHand-held cutting tools not otherwise provided for1%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form1%

B62BHand-propelled vehicles, e.g. hand carts or perambulators1%

C07CAcyclic or carbocyclic compounds1%

PatentTitleYear

8,227,161'Electrophotographic toner and method of preparing the same'2012 8,158,320'Toner and process of preparing the same'2012 8,137,885'Hybrid toner and method of preparing the same'2012 7,935,470'Toner for electrophotography'2011 7,932,008'Hybrid toner and method of preparing the same'2011 7,927,776'Toner for electrophotography'2011 7,892,716'Method of preparing core-shell toner and toner prepared using the method'2011 7,842,449'Method of preparing toner and toner prepared using the method'2010 7,759,041'Method of preparing toner and toner prepared using the method'2010 7,749,675'Method of preparing toner and toner prepared using the method'2010 7,585,608'Method of preparing toner and toner prepared using the method'2009 7,494,754'Electrophotographic photoreceptor containing asymmetric naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the same'2009 7,449,270'Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivatives as electron transport materials in charge generating layer and the electrophotographic imaging apparatus using the photoreceptor'2008 7,432,029'Electrophotographic photoreceptor containing asymmetrical naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the photoreceptor'2008 7,413,836'Electrophotographic photoreceptor containing asymmetrical naphthalenetetracarboxylic acid diimide derivative as electron transporting material in a charge generating layer and electrophotographic image forming apparatus employing the photoreceptor'2008 7,396,624'Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the same'2008 7,378,214'Preparation method of toner having micro radius'2008 7,374,852'Liquid toner composition and preparation method of the same'2008 7,371,496'Liquid toner for electrophotography and method of preparing the same'2008 7,354,534'Composition for overcoat layer of organophotoreceptor, organophotoreceptor manufactured by employing the same and the electrophotographic imaging apparatus containing the same'2008 7,349,654'Developer cartridge for a wet-type image forming apparatus'2008 7,314,692'Phenylazomethylene-cyclohexadienone derivatives comprising electron withdrawing group and electrophotographic photoreceptor comprising the derivatives'2008 7,307,129'Method for preparing latex containing pigment copolymerized with a crystalline polymer'2007 7,291,429'Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material using the derivatives'2007 7,271,236'Preparation method of polyester resin'2007 7,259,193'Liquid ink composition and method of producing a liquid ink composition'2007 7,248,060'Test apparatus for evaluating electrical properties of liquid toner and test method for the same'2007 7,217,482'Electrophotographic photoreceptor containing a chelate compound'2007 7,172,843'Composition for overcoat layer of organophotoreceptor, organophotoreceptor manufactured by employing the same and the electrophotographic imaging apparatus containing the same'2007 7,169,519'Double-layered positively-charged organic photoreceptor'2007 7,157,196'Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material having the same'2007 7,149,454'Liquid electrophotography printer having exhaust system with oxidative catalyst filter'2006 7,132,208'Composition for forming overcoat layer for organic photoreceptor and organic photoreceptor employing overcoat layer prepared from the composition'2006 7,115,346'Multi-layered electrophotographic positively charged organic photoconductor and manufacturing method thereof'2006 7,083,886'Single layered electrophotographic photoreceptor'2006 7,083,883'Polymer having stilbenquinone structure and electrophotographic photoreceptor containing the same'2006 7,060,405'Naphthoquinone derivative and electrophotographic photoreceptor containing the same'2006 7,045,264'Single layered electrophotographic photoreceptor'2006 7,027,752'Wet-type electrophotographic printer with photocatalystic filter'2006 6,951,703'Liquid developer for developing latent electrostatic image and method for preparing the same'2005 6,949,321'Double-layered positively-charged organic photoreceptor'2005 6,949,322'Composition for forming overcoat layer for organophotoreceptor using polyaminoether and organophotoreceptor employing overcoat layer prepared from the composition'2005 6,413,318'Sheet coating apparatus'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2012Patents assigned to SAMSUNG ELECTRONICS CO LTD (43)· patent assignee history

2002–2007Based in Seongnam, KR· patent location history

2005–2007Based in Gyeonggi-do, KR· patent location history

2007–2012Based in Seongnam-si, KR· patent location history

2008–2012Based in Yongin-si, KR· patent location history

2012Patents assigned to YON KYUNG-YOL (3)· patent assignee history

2012Patents assigned to KIM IN (2)· patent assignee history

2012Patents assigned to KIM SANG-DEOK (1)· patent assignee history

2012Patents assigned to KOO TAC-HOE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAMSUNG ELECTRONICS CO LTD	43	2002–2012
YON KYUNG-YOLself	3	2012
KIM IN	2	2012
KIM SANG-DEOK	1	2012
KOO TAC-HOE	1	2012

Locations

Location	Patents	Span
Seongnam-si, KR	27	2007–2012
Gyeonggi-do, KR	10	2005–2007
Seongnam, KR	4	2002–2007
Yongin-si, KR	2	2008–2012