P

Inventor

YOKOTA SABURO

KR24 patents
⚠️ This page may combine multiple inventors who share the name “YOKOTA SABURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAMSUNG ELECTRONICS CO LTD

23 patents
US7172843B2Feb 6, 2007

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

SAMSUNG ELECTRONICS CO LTD10 citations82
US7291429B2Nov 6, 2007

Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material using the derivatives

SAMSUNG ELECTRONICS CO LTD6 citations73
US7045264B2May 16, 2006

Single layered electrophotographic photoreceptor

SAMSUNG ELECTRONICS CO LTD8 citations73
US6884559B2Apr 26, 2005

Electrophotographic imaging method

SAMSUNG ELECTRONICS CO LTD7 citations73
US7354534B2Apr 8, 2008

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

SAMSUNG ELECTRONICS CO LTD7 citations72
US7115346B2Oct 3, 2006

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

SAMSUNG ELECTRONICS CO LTD7 citations71
US7078139B2Jul 18, 2006

Electrophotographic photoreceptor for wet development

SAMSUNG ELECTRONICS CO LTD7 citations69
US7622232B2Nov 24, 2009

Electrophotographic photoreceptor and electrophotographic imaging apparatus employing the photoreceptor

SAMSUNG ELECTRONICS CO LTD4 citations62
US7494754B2Feb 24, 2009

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

SAMSUNG ELECTRONICS CO LTD3 citations62
US7432029B2Oct 7, 2008

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

SAMSUNG ELECTRONICS CO LTD2 citations62
US7217482B2May 15, 2007

Electrophotographic photoreceptor containing a chelate compound

SAMSUNG ELECTRONICS CO LTD2 citations62
US7083883B2Aug 1, 2006

Polymer having stilbenquinone structure and electrophotographic photoreceptor containing the same

SAMSUNG ELECTRONICS CO LTD2 citations62
US6949322B2Sep 27, 2005

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

SAMSUNG ELECTRONICS CO LTD3 citations62
US7169519B2Jan 30, 2007

Double-layered positively-charged organic photoreceptor

SAMSUNG ELECTRONICS CO LTD1 citations52
US6949321B2Sep 27, 2005

Double-layered positively-charged organic photoreceptor

SAMSUNG ELECTRONICS CO LTD0 citations52
US7396624B2Jul 8, 2008

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

SAMSUNG ELECTRONICS CO LTD1 citations51
US7314692B2Jan 1, 2008

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

SAMSUNG ELECTRONICS CO LTD1 citations51
US7157196B2Jan 2, 2007

Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material having the same

SAMSUNG ELECTRONICS CO LTD1 citations51
US7449270B2Nov 11, 2008

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

SAMSUNG ELECTRONICS CO LTD1 citations50
US7413836B2Aug 19, 2008

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

SAMSUNG ELECTRONICS CO LTD0 citations41
US7341811B2Mar 11, 2008

Electrophotographic photoreceptor using the electron transferring compound

SAMSUNG ELECTRONICS CO LTD0 citations41
US7060405B2Jun 13, 2006

Naphthoquinone derivative and electrophotographic photoreceptor containing the same

SAMSUNG ELECTRONICS CO LTD0 citations41
US7083886B2Aug 1, 2006

Single layered electrophotographic photoreceptor

SAMSUNG ELECTRONICS CO LTD0 citations36

NIPPON INK AND CHEMICALS INC

1 patent