Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4282032 | Direct method for production of high-grade, high-purity ferromanganese | Yoshishige Nagoya, Kosuke Murai, Yoshisada Soga | 1981-08-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4282032 | Direct method for production of high-grade, high-purity ferromanganese | Yoshishige Nagoya, Kosuke Murai, Yoshisada Soga | 1981-08-04 |