Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043595 | Mesoporous carbon including heteroatom, manufacturing method thereof, and fuel cell using the mesoporous carbon | Chan-ho Pak, Hyuk Chang, Ji-man Kim, Hyung-ik Lee | 2011-10-25 |
| 7994088 | Supported catalyst, method of preparing the same, and fuel cell using the same | Chan-ho Pak, Dae-jong Yoo, Hyuk Chang, Seol-ah Lee | 2011-08-09 |
| 7994835 | Duty control circuit and semiconductor device having the same | Kwan-Yeob Chae, Su Ho Kim, Won Young Lee, Dharmendra Pandit, Jong-Ryun Choi | 2011-08-09 |
| 7915353 | Silica nanocomposite, method of preparing the silica nanocomposite, composite foam and method of preparing the composite foam | Jin-gyu Lee, Myung-dong Cho | 2011-03-29 |
| 7867941 | Sulfur-containing mesoporous carbon, method of manufacturing the same, and fuel cell using the mesoporous carbon | Chan-ho Pak, Hyuk Chang, Ji-man Kim, Hyung-ik Lee | 2011-01-11 |