Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8979974 | Composition for collecting metal component | Hiroyuki Kageyama, Masakazu Date, Tadahiro Fujitani | 2015-03-17 |
| 8623113 | Metal component collection agent and method for collecting metal component | Hiroyuki Kageyama | 2014-01-07 |
| 8568509 | Method of recovering metal | Masakazu Date, Tadahiro Fujitani, Hiroyuki Kageyama | 2013-10-29 |