Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676772 | High-strength, bainitic steel rail having excellent damage-resistance | Kazutaka Kobayashi, Sadahiro Yamamoto | 1997-10-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676772 | High-strength, bainitic steel rail having excellent damage-resistance | Kazutaka Kobayashi, Sadahiro Yamamoto | 1997-10-14 |