| 11487224 |
Developing device with elastic film to block air input |
Ohdug Kwon, Yoshihiko Ichikawa |
2022-11-01 |
| 11237500 |
Developing device with structure to prevent scattering toner using magnetic repulsive force |
Jong-Hyun Park, Hojin Jang |
2022-02-01 |
| 10969739 |
Developing device having air outlet |
Jong-Hyun Park, Jong-Hwa Park |
2021-04-06 |
| 10126679 |
Developing casing of a developing unit for an electrophotographic image forming apparatus having a developer collection inlet to collect developer moving along a discharge path |
Dong Uk Kim, Jong-Hyun Park |
2018-11-13 |
| 10101687 |
Developing apparatus and image forming apparatus having same |
Jin Hong Kim, Dae Ho Kim, Jun Hee Lee |
2018-10-16 |
| 10078292 |
Toner cartridge, image forming apparatus including the same, and method for controlling the image forming apparatus |
Min Woo Kang, Jin Hong Kim, Ho Young Lee |
2018-09-18 |
| 9223245 |
Developing device to form a uniform developer layer on a developing member and electrophotographic image forming apparatus using the same |
Sang Don Lee, Jong-pil Jun |
2015-12-29 |
| 9207568 |
Developing unit adopting a two component agent and electrophotographic image forming apparatus employing the same |
Ho Young Lee, Jong-Hyun Park, Sang Hoon Lee, Jun Hee Lee |
2015-12-08 |
| 8644737 |
Developing device and electrophotographic image forming apparatus including the same |
Seong Min Park |
2014-02-04 |
| 8309288 |
Color toner and preparation method thereof |
Hisao Okada |
2012-11-13 |
| 4248947 |
Method for master pattern production |
— |
1981-02-03 |