Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11421009 | Pharmaceutical composition containing, as active ingredient, granulocyte-colony stimulating factor mutant protein or transferrin fusion protein thereof | Jeong-Hyeok Yoon, Byung-Ha Chang, Bong-Seok Jin, Ji-young Bae, Kyeong Su Park +5 more | 2022-08-23 |
| 10479822 | Pharmaceutical compositions containing, as active ingredient, granulocyte-colony stimulating factor mutant protein or transferrin fusion protein thereof | Jeong-Hyeok Yoon, Byung-Ha Chang, Bong-Seok Jin, Ji-young Bae, Kyeong Su Park +5 more | 2019-11-19 |
| 9005093 | Roller for imaging apparatus and imaging apparatus including the roller | Hee-Won Jung, Moon-Young Kim, Dong-Jin Park, Myoung-su Baek, Yong-hoon Lee | 2015-04-14 |
| 7082280 | Toner layer blade and a developing unit having the same for an image forming apparatus and a method thereof | — | 2006-07-25 |
| 6383702 | Dry toner of polymerization type for electronic photography | Seung-min Ryu, Seung-Soon Jang, Jong-moon Eun, Hee-Won Jung, Moon Soo Park +1 more | 2002-05-07 |
| 5956550 | Method and device for preventing formation of background image in electrophotographic image forming apparatus | — | 1999-09-21 |
| 5937236 | Ghost-image preventing apparatus for a developing roller | — | 1999-08-10 |
| 5771421 | Method of controlling fusing of an image forming apparatus | — | 1998-06-23 |