Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728505 | Process for producing gallium-containing solution from the aluminum smelting dust | Shingo Matsui, Hidetsugu Ikeda | 1988-03-01 |
| 4725414 | Process for producing gallium-containing solution from aluminum smelting dust | Hidetsuga Ikeda, Shingo Matsui | 1988-02-16 |
| 4639355 | Process for recovering gallium from aluminum smelting dust | Shingo Matsui, Hidetsugu Ikeda, Sanji Nishimura | 1987-01-27 |