Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7998241 | Method for recovering rhodium | Yoshio Ito | 2011-08-16 |
| 7563420 | Method for recovering rhodium and silver from hydrochloric acid | Yoshio Ito, Nobuaki Okajima, Kazuhiro Sekine | 2009-07-21 |