Patent | Date |
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Ballast Water Treatment System Using A High Efficient Electrolyzing Apparatus App 20130105375 - Sohn; Young-jun ;   et al. | 2013-05-02 |
Electrophotographic Photoreceptor And Electrophotographic Imaging Apparatus Including The Photoreceptor App 20110183243 - AHN; Yong-jin ;   et al. | 2011-07-28 |
Electrophotographic Photoreceptor Containing Bisazo-based Compound As A Charge Generating Material In A Charge Transporting Layer And Electrophotographic Imaging Apparatus Employing The Same App 20090136860 - Kim; Beom-jun ;   et al. | 2009-05-28 |
Electrophotographic Photoreceptor Having Improved Dark Decay Characteristics And Electrophotographic Imaging Apparatus Employing The Same App 20090061341 - KIM; Seung-ju ;   et al. | 2009-03-05 |
Electrophotographic photoreceptor containing asymmetric naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the same Grant 7,494,754 - Kim , et al. February 24, 2 | 2009-02-24 |
Electrophotographic organophotoreceptors with novel charge transport compounds Grant 7,452,641 - Jubran , et al. November 18, 2 | 2008-11-18 |
Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivatives as electron transport materials in charge generating layer and the electrophotographic imaging apparatus using the photoreceptor Grant 7,449,270 - Kim , et al. November 11, 2 | 2008-11-11 |
Electrophotographic photoreceptor containing asymmetrical naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the photoreceptor Grant 7,432,029 - Kim , et al. October 7, 2 | 2008-10-07 |
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 Grant 7,413,836 - Kim , et al. August 19, 2 | 2008-08-19 |
Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the same Grant 7,396,624 - Kim , et al. July 8, 2 | 2008-07-08 |
Electrophotographic photoreceptor, method of preparation, and electrophotographic imaging apparatus App 20080160439 - Yokota; Saburo ;   et al. | 2008-07-03 |
Composition for overcoat layer of organophotoreceptor, organophotoreceptor manufactured by employing the same and the electrophotographic imaging apparatus containing the same Grant 7,354,534 - Lee , et al. April 8, 2 | 2008-04-08 |
Electrophotographic photoreceptor using the electron transferring compound Grant 7,341,811 - Kim , et al. March 11, 2 | 2008-03-11 |
Organic photoreceptor and electrophotographic image forming apparatus including the organic photoreceptor App 20080014515 - Yokota; Saburo ;   et al. | 2008-01-17 |
Phenylazomethylene-cyclohexadienone derivatives comprising electron withdrawing group and electrophotographic photoreceptor comprising the derivatives Grant 7,314,692 - Kim , et al. January 1, 2 | 2008-01-01 |
Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material using the derivatives Grant 7,291,429 - Kim , et al. November 6, 2 | 2007-11-06 |
Electrophotographic photoreceptor containing a chelate compound Grant 7,217,482 - Kim , et al. May 15, 2 | 2007-05-15 |
Titanyl phthalocyanine crystal and manufacturing method thereof and electrophotographic photoreceptor and electrophotographic imaging apparatus using the photoreceptor App 20070105032 - Yokota; Saburo ;   et al. | 2007-05-10 |
Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivative as electron transporting material in a charge generating layer and electrophotographic image forming apparatus employing the photoreceptor App 20070065740 - Kim; Seung-ju ;   et al. | 2007-03-22 |
Composition for overcoat layer of organophotoreceptor, organophotoreceptor manufactured by employing the same and the electrophotographic imaging apparatus containing the same Grant 7,172,843 - Lee , et al. February 6, 2 | 2007-02-06 |
Composition for overcoat layer of organophotoreceptor, organophotoreceptor manufactured by employing the same and the electrophotographic imaging apparatus containing the same App 20070026331 - Lee; Nam-jeong ;   et al. | 2007-02-01 |
Double-layered positively-charged organic photoreceptor Grant 7,169,519 - Lee , et al. January 30, 2 | 2007-01-30 |
Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material having the same Grant 7,157,196 - Kim , et al. January 2, 2 | 2007-01-02 |
Electrophotographic photoreceptor containing electron transporting material in a charge generating layer App 20060292467 - Kim; Beom-jun ;   et al. | 2006-12-28 |
Electrophotographic photoreceptor for blue-violet exposure light source and electrophotographic imaging apparatus employing the photoreceptor App 20060292468 - Yokota; Saburo ;   et al. | 2006-12-28 |
Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivatives as electron transport materials in charge generating layer and the electrophotographic imaging apparatus using the photoreceptor App 20060281020 - Kim; Beom-jun ;   et al. | 2006-12-14 |
Multi-layered electrophotographic positively charged organic photoconductor and manufacturing method thereof Grant 7,115,346 - Yokota , et al. October 3, 2 | 2006-10-03 |
Electrophotographic organophotoreceptors with novel charge transport compounds Grant 7,112,391 - Jubran , et al. September 26, 2 | 2006-09-26 |
Electrophotographic photoreceptor containing asymmetric naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the same App 20060183044 - Kim; Beom-jun ;   et al. | 2006-08-17 |
Electrophotographic photoreceptor containing pyridine-substituted asymmetric naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus App 20060183043 - Kim; Seung-ju ;   et al. | 2006-08-17 |
Single layered electrophotographic photoreceptor Grant 7,083,886 - Yokota , et al. August 1, 2 | 2006-08-01 |
Polymer having stilbenquinone structure and electrophotographic photoreceptor containing the same Grant 7,083,883 - Kim , et al. August 1, 2 | 2006-08-01 |
Electrophotographic photoreceptor for wet development Grant 7,078,139 - Yokota , et al. July 18, 2 | 2006-07-18 |
Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the photoreceptor App 20060147825 - Kim; Seung-ju ;   et al. | 2006-07-06 |
Composition for overcoat layer of organophotoreceptor, organophotoreceptor manufactured by employing the same and the electrophotographic imaging apparatus containing the same App 20060142444 - Lee; Nam-jeong ;   et al. | 2006-06-29 |
Naphthoquinone derivative and electrophotographic photoreceptor containing the same Grant 7,060,405 - Kim , et al. June 13, 2 | 2006-06-13 |
Single layered electrophotographic photoreceptor Grant 7,045,264 - Yokota , et al. May 16, 2 | 2006-05-16 |
Positively-charged electrophotographic organophotoreceptor, and method of manufacture App 20060003243 - Lee; Nam-jeong ;   et al. | 2006-01-05 |
Method of making coating composition for producing single layered photosensitive layer by using homogenizer App 20060003242 - Lee; Hwan-koo ;   et al. | 2006-01-05 |
Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the same App 20050227156 - Kim, Beom-jun ;   et al. | 2005-10-13 |
Double-layered positively-charged organic photoreceptor Grant 6,949,321 - Lee , et al. September 27, 2 | 2005-09-27 |
Composition for forming overcoat layer for organophotoreceptor using polyaminoether and organophotoreceptor employing overcoat layer prepared from the composition Grant 6,949,322 - Lee , et al. September 27, 2 | 2005-09-27 |
Electrophotographic photoreceptor and electrophotographic imaging apparatus using the same App 20050186492 - Yokota, Saburo ;   et al. | 2005-08-25 |
Electrophotographic organophotoreceptors with novel charge transport compounds App 20050147906 - Jubran, Nusrallah ;   et al. | 2005-07-07 |
Phenylazomethylene-cyclohexadienone derivatives comprising electron withdrawing group and electrophotographic photoreceptor comprising the derivatives App 20050130051 - Kim, Beom-jun ;   et al. | 2005-06-16 |
Electron transferring compound and electrophotographic photoreceptor using the electron transferring compound App 20050118519 - Kim, Beom-jun ;   et al. | 2005-06-02 |
Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material using the derivatives App 20050112482 - Kim, Beom-jun ;   et al. | 2005-05-26 |
Electrophotographic photoreceptor containing a chelate compound App 20050112486 - Kim, Beom-jun ;   et al. | 2005-05-26 |
Electrophotographic organophotoreceptors with novel charge transport compounds Grant 6,887,634 - Jubran , et al. May 3, 2 | 2005-05-03 |
Electrophotographic organophotoreceptors with novel charge transport compounds App 20050074683 - Jubran, Nusrallah ;   et al. | 2005-04-07 |
Naphthalene tetracarboxylic diimide based polymer, electrophotographic photoreceptor containing the same, and electrophotographic cartridge, electrophotographic drum and electrophotographic image forming apparatus comprising the electrophotographic photoreceptor App 20050031977 - Kim, Seung-ju ;   et al. | 2005-02-10 |
Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material having the same App 20050003286 - Kim, Seung-ju ;   et al. | 2005-01-06 |
Naphthoquinone derivative and electrophotographic photoreceptor containing the same App 20040156651 - Kim, Beom-jun ;   et al. | 2004-08-12 |
Electrophotographic organophotoreceptors with novel charge transport compounds App 20040151998 - Jubran, Nusrallah ;   et al. | 2004-08-05 |
Composition for overcoat layer of organophotoreceptor, organophotoreceptor manufactured by employing the same and the electrophotographic imaging apparatus containing the same App 20040142260 - Lee, Nam-jeong ;   et al. | 2004-07-22 |
Overcoating composition and organic photoreceptor using the same App 20040143056 - Lee, Nam-Jeong ;   et al. | 2004-07-22 |
Electrophotographic photoreceptor for wet development App 20040137345 - Yokota, Saburo ;   et al. | 2004-07-15 |
Multi-layered electrophotographic positively charged organic photoconductor and manufacturing method thereof App 20040121251 - Yokota, Saburo ;   et al. | 2004-06-24 |
Single layered electrophotographic photoreceptor App 20040121252 - Yokota, Saburo ;   et al. | 2004-06-24 |
Polymer having stilbenquinone structure and electrophotographic photoreceptor containing the same App 20040096762 - Kim, Beom-Jun ;   et al. | 2004-05-20 |
Double-layered positively-charged organic photoreceptor App 20040091802 - Lee, Nam-Jeong ;   et al. | 2004-05-13 |
Single layered electrophotographic photoreceptor App 20040091801 - Joo, Hae-ree ;   et al. | 2004-05-13 |
Double-layered positively-charged organic photoreceptor App 20040081902 - Lee, Nam-Jeong ;   et al. | 2004-04-29 |
Single layered electrophotographic photoreceptor App 20040063017 - Lee, Hwan koo ;   et al. | 2004-04-01 |
Single-layered electrophotographic photoreceptor, method, catridge and drum therefor App 20040013960 - Lim, An-Kee ;   et al. | 2004-01-22 |
Electrophotographic photoreceptor having both excellent mechanical strength and electrical properties and electrophotographic imaging apparatus using the same App 20040009419 - Yokota, Saburo ;   et al. | 2004-01-15 |
Electrophotographic organophotoreceptors with novel charge transport compounds Grant 6,670,085 - Jubran , et al. December 30, 2 | 2003-12-30 |
Composition for forming overcoat layer for organophotoreceptor using polyaminoether and organophotoreceptor employing overcoat layer prepared from the composition App 20030235431 - Lee, Nam-Jeong ;   et al. | 2003-12-25 |
Single layered electrophotographic photoreceptor App 20030235771 - Yokota, Saburo ;   et al. | 2003-12-25 |
Positively-charged electrophotographic organophotoreceptor, and cartridge, drum and image forming apparatus having same App 20030170555 - Lee, Nam-Jeong ;   et al. | 2003-09-11 |
Electrophotographic organophotoreceptors with novel charge transport compounds App 20030129513 - Jubran, Nusrallah ;   et al. | 2003-07-10 |