Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10816911 | Charging roller for image forming | Norihiro Harada, Ji Soo Heo | 2020-10-27 |
| 7962075 | Nylon12-fiber-implanted conductive roller, developing unit having the same, and image forming apparatus having the same | Mi-Na You | 2011-06-14 |
| 7897076 | Method to produce conductive transfer roller, transfer roller, and image forming apparatus having the same | — | 2011-03-01 |