Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10656578 | Fixing device and image forming device having same | Ji Su Park, Soo Hwan Bae, Dong Woo Lee, Jun Tae Kim | 2020-05-19 |
| 10317826 | Fixing device and image forming device having same | Ji Su Park, Soo Hwan Bae, Dong Woo Lee, Jun Tae Kim | 2019-06-11 |
| 9952540 | Fixing device and image forming device having same | Ji Su Park, Soo Hwan Bae, Dong Woo Lee, Jun Tae Kim | 2018-04-24 |
| 9772590 | Belt type fixing apparatus and image forming apparatus comprising same | Jun Tae Kim, Seung-Jun Lee, Dong Woo Lee, Soo Hwan Bae, Bong-hee Lee | 2017-09-26 |
| 9465339 | Fixing device and image forming apparatus having the same | Seung-Jun Lee, Bong-hee Lee | 2016-10-11 |
| 8909118 | Fusing device and image forming device comprising the same | Hwan-hee Kim, Su-ho Shin, Dong Woo Lee | 2014-12-09 |
| 8831495 | Fusing device and image forming apparatus having the same | Hwan-hee Kim, Jae Myoung Choi | 2014-09-09 |
| 8457512 | Fusing unit, control method thereof and image forming apparatus employing the same | Jae Hyuk Lim | 2013-06-04 |
| 8369719 | Image forming apparatus, fusing device thereof and method of controlling fusing device | Tae Gyu Kim, Chang-hoon Jung, Jae-hyeok Jang, Seung-Jun Lee | 2013-02-05 |
| 8010029 | Fusing device having decreased warm-up time and image forming apparatus having the same | Hwan-hee Kim, Chang-hoon Jung, Tae Gyu Kim | 2011-08-30 |
| 7890040 | Fusing unit and image forming apparatus using the same | Seung-Jun Lee, Dong-Kyun Kang | 2011-02-15 |
| 7831187 | Fusing unit having a high thermal efficiency and image forming apparatus including the same | Dong-Kyun Kang | 2010-11-09 |
| 7813688 | Fusing roller with an elastic layer of low hardness and method of manufacturing the same, fusing unit employing the fusing roller, and image forming apparatus employing the fusing unit | Seung-Jun Lee | 2010-10-12 |
| 7792476 | Fusing apparatus and electrophotographic image-forming apparatus having the same | Hwan-hee Kim, Hwan-guem Kim, Tae Gyu Kim, Su-ho Shin | 2010-09-07 |
| 7792475 | Image forming apparatus and heating unit thereof | — | 2010-09-07 |
| 7773931 | Fusing device and image forming apparatus having the same | Chang-hoon Jung, Dong Woo Lee, Tae Gyu Kim, Su-ho Shin, Hwan-hee Kim | 2010-08-10 |
| 7773930 | Fixing device and image forming apparatus having the same | Su-ho Shin, Hwan-guem Kim, Dong Woo Lee, Tae Gyu Kim, Chang-hoon Jung | 2010-08-10 |
| 7657216 | Fixing unit and image forming apparatus having the same | Seung-Jun Lee, Hwan-guem Kim, Dong Woo Lee, Tae Gyu Kim | 2010-02-02 |
| 7623817 | Fixing device and image forming apparatus having the same | Chang-hoon Jung, Hwan-guem Kim, Dong Woo Lee, Su-ho Shin, Tae Gyu Kim | 2009-11-24 |
| 7570913 | Heating roller assembly for image forming apparatus | Dong-Kyun Kang | 2009-08-04 |
| 7447473 | Fixing device with pressing member and an image forming apparatus having the same | Jae-hyeuk Jeong | 2008-11-04 |