Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |