Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12310268 | Neuromorphic memristor device based on vertically-oriented halide perovskite nanostructure and method of manufacturing the same | Ho Won Jang | 2025-05-20 |
| 11861280 | Device for generating verification vector for circuit design verification, circuit design system, and reinforcement learning method of the device and the circuit design system | In Huh, Jeong-Hoon Ko, Hyo-jin Choi, Chang Wook Jeong, Joon-wan Chai +6 more | 2024-01-02 |
| 11281832 | Device for generating verification vector for circuit design verification, circuit design system, and reinforcement learning method of the device and the circuit design system | In Huh, Jeong-Hoon Ko, Hyo-jin Choi, Chang Wook Jeong, Joon-wan Chai +6 more | 2022-03-22 |
| 10642176 | Photosensitive body including protective layer formed on photosensitive layer | Young Soo Ha, Sung Hoon Kang, Yong Jun Kwon, So-hyeon An, Hun Jung +1 more | 2020-05-05 |
| 9492486 | Preparation of bee venom with allergenic components removed | Chang Zhe Shen, Ha Young Won, Choul Goo Kim, Ji Yeon Lee, Yeon Hee Shin +3 more | 2016-11-15 |
| 9146457 | Electro-photographic photoreceptor and image forming apparatus including the same | Ji-uk Kim | 2015-09-29 |
| 7622232 | Electrophotographic photoreceptor and electrophotographic imaging apparatus employing the photoreceptor | Saburo Yokota | 2009-11-24 |
| 7494754 | Electrophotographic photoreceptor containing asymmetric naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the same | Beom Jun Kim, Saburo Yokota, Kyung-yol Yon, Moto Makino, 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, Saburo Yokota, Kyung-yol Yon, Moto Makino, Hwan-koo Lee +2 more | 2008-11-11 |
| 7432029 | Electrophotographic photoreceptor containing asymmetrical naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the photoreceptor | Beom Jun Kim, Ji-Young Lee, Saburo Yokota, Kyung-yol Yon, Moto Makino +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 | Beom Jun Kim, Saburo Yokota, Kyung-yol Yon, Moto Makino, Hwan-koo Lee +1 more | 2008-08-19 |
| 7396624 | Electrophotographic photoreceptor containing naphthalenetetracarboxylic acid diimide derivatives and electrophotographic imaging apparatus employing the same | Beom Jun Kim, Saburo Yokota, Kyung-yol Yon, Hwan-koo Lee | 2008-07-08 |
| 7341811 | Electrophotographic photoreceptor using the electron transferring compound | Beom Jun Kim, Saburo Yokota, Hwan-koo Lee | 2008-03-11 |
| 7314692 | Phenylazomethylene-cyclohexadienone derivatives comprising electron withdrawing group and electrophotographic photoreceptor comprising the derivatives | Beom Jun Kim, Saburo Yokota, Kyung-yol Yon, Hwan-koo Lee | 2008-01-01 |
| 7291429 | Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material using the derivatives | Beom Jun Kim, Saburo Yokota, Kyung-yol Yon, Hwan-koo Lee | 2007-11-06 |
| 7217482 | Electrophotographic photoreceptor containing a chelate compound | Beom Jun Kim, Saburo Yokota, Kyung-yol Yon, Hwan-koo Lee | 2007-05-15 |
| 7157196 | Naphthalenetetracarboxylic acid diimide derivatives and electrophotographic photoconductive material having the same | Saburo Yokota, Kyung-yol Yon, Hwan-koo Lee, Beom Jun Kim | 2007-01-02 |