Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8137877 | Electrophotographic photoreceptor having excellent stability in terms of electrical properties and interlayer adhesion strength and electrophotographic imaging apparatus employing the same | Young Don Kim | 2012-03-20 |
| 7494754 | Electrophotographic photoreceptor containing asymmetric naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the same | Beom Jun Kim, Seung-ju Kim, Saburo Yokota, Kyung-yol Yon, Ji-Young Lee +1 more | 2009-02-24 |
| 7449270 | Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivatives as electron transport materials in charge generating layer and the electrophotographic imaging apparatus using the photoreceptor | Beom Jun Kim, Seung-ju Kim, Saburo Yokota, Kyung-yol Yon, Hwan-koo Lee +2 more | 2008-11-11 |
| 7432029 | Electrophotographic photoreceptor containing asymmetrical naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the photoreceptor | Seung-ju Kim, Beom Jun Kim, Ji-Young Lee, Saburo Yokota, Kyung-yol Yon +1 more | 2008-10-07 |
| 7413836 | 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 | Seung-ju Kim, Beom Jun Kim, Saburo Yokota, Kyung-yol Yon, Hwan-koo Lee +1 more | 2008-08-19 |
| 6197463 | Electrophotographic photosensitive bodies | Rudolf E. Cais, Santanu Debnath, Shinichi Suzuki | 2001-03-06 |