Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989430 | Method for eluting antimony adsorbed on chelating resin | Kazuhiko Motoba | 1999-11-23 |
| 5797977 | Method of platinum recovery | — | 1998-08-25 |
| 5749940 | Method for producing high grade reduced silver | — | 1998-05-12 |