Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160588 | Process for recovering tellurium from copper electrolysis slime | Yukio Sugawara, Mineo Hayashi, Shosaku Hayashi | 1992-11-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160588 | Process for recovering tellurium from copper electrolysis slime | Yukio Sugawara, Mineo Hayashi, Shosaku Hayashi | 1992-11-03 |