Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4938266 | Method of producing steel having a low yield ratio | Yukio Tomita, Ryohta Yamaba | 1990-07-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4938266 | Method of producing steel having a low yield ratio | Yukio Tomita, Ryohta Yamaba | 1990-07-03 |