Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32694 | Separation of cobalt and nickel by solvent extraction | Akihiro Fujimoto, Kazuo Noguchi | 1988-06-14 |
| 4582691 | Process for separating Fe(III) from an aqueous solution of metallic salts and a process for separating Fe(III) from an organic extraction solvent | Akihiro Fujimoto, Tadanori Matsumura | 1986-04-15 |
| 4196076 | Separation of cobalt and nickel by solvent extraction | Akihiro Fujimoto, Kazuo Noguchi | 1980-04-01 |