Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284505 | Method for recovering metallic nickel from ferric chloride waste liquid | Keiichi Tachibana | 1994-02-08 |
| 4940337 | Apparatus for separating heavy metals from a ferric chloride waste fluid | Nobuo Nakaji, Hideki Kojima | 1990-07-10 |