Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773250 | Thermoplastic elastomer with adhesion to cross-linked ethylene propylene diene rubbers | Sehyun Kim, Yaw Boateng | 2023-10-03 |
| 9818947 | Semiconductive roller of an image-forming apparatus | Kwang-ho Kang, Jung-ik Choi | 2017-11-14 |
| 8858412 | Pickup roller and image forming apparatus having the same | Cheong-jin Jang, Min Chan Kim, Ae-kyung Choi | 2014-10-14 |
| 8722300 | Electrophotographic toner and method of preparing the same | Hae-ree Joo, Kyeong Pang | 2014-05-13 |
| 8546054 | Toner for electrophotography | Duck-hee Lee, Deuck-woo Jang, Jung-ik Choi, Soon-Cheol Jeong, Hae-ree Joo | 2013-10-01 |
| 8492061 | Electrophotographic toner and method of preparing the same | Kyeong Pang, Jung-ik Choi, Soon-Cheol Jeong, Hong Chul Shin | 2013-07-23 |
| 8043782 | Toner for electrophotography | — | 2011-10-25 |
| 7935470 | Toner for electrophotography | Kyung-yol Yon, Min-young Cheong, Kyeong Pang, Yo-da Shin, Hae-ree Joo | 2011-05-03 |
| 7927776 | Toner for electrophotography | Hae-ree Joo, Kyung-yol Yon | 2011-04-19 |
| 7711303 | Variable tension belt type fusing unit usable with image forming apparatus and driving method thereof | — | 2010-05-04 |
| 7447473 | Fixing device with pressing member and an image forming apparatus having the same | Dong-jin Seol | 2008-11-04 |