Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6126720 | Method for smelting noble metal | Satoshi Okada | 2000-10-03 |
| 4514223 | Continuous direct process of lead smelting | Shizuo Kawakita, Takeyoshi Shibazaki | 1985-04-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6126720 | Method for smelting noble metal | Satoshi Okada | 2000-10-03 |
| 4514223 | Continuous direct process of lead smelting | Shizuo Kawakita, Takeyoshi Shibazaki | 1985-04-30 |