Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4517096 | Method of selective separation and concentration of gallium and/or indium from solutions containing low levels of them and high levels of other metal ions | Kunio Sekine, Hitoshi Masuda, Masahide Hirai, Shozo Tomoshige, Kozo Kondo | 1985-05-14 |