Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5455013 | Carbon dioxide absorber and its manufacturing method using sludge, and method for absorbing carbon dioxide in exhaust gas | Hitoshi Shibata, Manabu Satokawa, Young-Il Im | 1995-10-03 |
| 5298475 | Carbon dioxide absorber and method for manufacturing same from building industrial waste | Hitoshi Shibata, Young-II Im | 1994-03-29 |