Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871200 | Aerostatic bearing spindle system using unidirectional porous metal | Yong Su Um, Jae Hong Yoon | 2011-01-18 |
| 6984356 | Method and apparatus for the continuous production of foamed metals | Soon Hyung Cho, Ki-Bae Kim, Seok Choun Bae | 2006-01-10 |
| 6863709 | Method and apparatus for the continuous production of foamed metals | Soon Hyung Cho, Ki-Bae Kim, Seok Choun Bae | 2005-03-08 |