Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403427 | Method of separating and recovering cobalt salt and nickel salt | Tomoya Yoshizaki, Masakazu Koiwa, Shigehisa Hanada | 2025-09-02 |
| 11905180 | Method for recovering rare metal salt | Tomoya Yoshizaki, Masakazu Koiwa, Shigehisa Hanada | 2024-02-20 |