Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12110594 | Composition for electroless platinum plating and electroless platinum plating method using the same | Kuan Soo Shin, Jeong Hei Choi, Yoon Kyung Jung | 2024-10-08 |
| 9994928 | Method for recycling iron-containing by-products discharged from coal-based molten ironmaking process, system therefor, and reduced iron agglomeration system | Hyun-Soo Kim, Dal-Hoi Lee, Jong Yeol LEE, Shi-Kyung Yoon, Moo-Eob Choi +1 more | 2018-06-12 |
| 9400425 | Apparatus and method for cleaning photomask | Sung Ho Kwak | 2016-07-26 |
| 8119059 | Apparatus for manufacturing molten irons | Hang Goo Kim, Myoung-Kyun Shin, Nag-Joon Choi, Kung-Won Nam, Sun-Kwang Jeong +1 more | 2012-02-21 |
| 7850902 | Apparatus for manufacturing molten irons | Sun-Kwang Jeong, Myoung-Kyun Shin | 2010-12-14 |
| 7588625 | Apparatus for manufacturing molten irons to dry and convey iron ores and additives and manufacturing method using the same | Kung-Won Nam, Young-Chae Jung, Young Jae JANG, Franz Hauzenberger | 2009-09-15 |
| 6277324 | Apparatus for manufacturing molten pig iron and reduced iron by utilizing a fluidized bed | Sang Hoon Joo, Sang Deuk Lee, Myoung-Kyun Shin, Jun Hyuk Lee, Hang Goo Kim +1 more | 2001-08-21 |
| 6203848 | Method for increasing the charring ratio of coal | Myoung-Kyun Shin, Young Che Chung, Dael Whei Lee | 2001-03-20 |
| 6086653 | Smelting-reduction apparatus and method for producing molten pig iron using the smelting reduction apparatus | Sang Hoon Joo, Il Ock Lee | 2000-07-11 |
| 5897674 | Method for manufacturing coal agglomerates for use in direct iron smelting reducing furnace | Young-Chae Jung, Dal-Hoi Lee | 1999-04-27 |