Inventor

YON KYUNG-YOL

KR44 patents

⚠️ This page may combine multiple inventors who share the name “YON KYUNG-YOL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YON KYUNG-YOL

SAMSUNG ELECTRONICS CO LTD

Composition for overcoat layer of organophotoreceptor, organophotoreceptor manufactured by employing the same and the electrophotographic imaging apparatus containing the same

Wet-type electrophotographic printer with photocatalystic filter

Preparation method of toner having micro radius

Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material using the derivatives

Single layered electrophotographic photoreceptor

Sheet coating apparatus

Composition for overcoat layer of organophotoreceptor, organophotoreceptor manufactured by employing the same and the electrophotographic imaging apparatus containing the same

Multi-layered electrophotographic positively charged organic photoconductor and manufacturing method thereof

Composition for forming overcoat layer for organic photoreceptor and organic photoreceptor employing overcoat layer prepared from the composition

Electrophotographic photoreceptor containing asymmetric naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the same

Electrophotographic photoreceptor containing asymmetrical naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the photoreceptor

Positively-charged electrophotographic organic photoreceptor

Electrophotographic photoreceptor containing a chelate compound

Polymer having stilbenquinone structure and electrophotographic photoreceptor containing the same

Composition for forming overcoat layer for organophotoreceptor using polyaminoether and organophotoreceptor employing overcoat layer prepared from the composition

Toner for electrophotography

Toner for electrophotography

Method of preparing core-shell toner and toner prepared using the method

Method of preparing toner and toner prepared using the method

Hybrid toner and method of preparing the same

Liquid developer for developing latent electrostatic image and method for preparing the same

Method for preparing latex containing pigment copolymerized with a crystalline polymer

Double-layered positively-charged organic photoreceptor

Double-layered positively-charged organic photoreceptor

Method of preparing toner and toner prepared using the method

Method of preparing toner and toner prepared using the method

Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the same

Liquid toner composition and preparation method of the same

Phenylazomethylene-cyclohexadienone derivatives comprising electron withdrawing group and electrophotographic photoreceptor comprising the derivatives

Preparation method of polyester resin

Liquid ink composition and method of producing a liquid ink composition

Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material having the same

Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivatives as electron transport materials in charge generating layer and the electrophotographic imaging apparatus using the photoreceptor

Liquid toner for electrophotography and method of preparing the same

Developer cartridge for a wet-type image forming apparatus

Test apparatus for evaluating electrical properties of liquid toner and test method for the same

Liquid electrophotography printer having exhaust system with oxidative catalyst filter

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

Naphthoquinone derivative and electrophotographic photoreceptor containing the same

Method of preparing toner and toner prepared using the method

Single layered electrophotographic photoreceptor

KIM IN

Hybrid toner and method of preparing the same

Toner and process of preparing the same

SHIN YODA

Electrophotographic toner and method of preparing the same