Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5209792 | High-strength, damage-resistant rail | Gordon O. Besch, John A. Hovland, Jun Furukawa, Hideyuki Yamanaka, Kozo Fukuda +5 more | 1993-05-11 |
| 4886558 | Method for heat-treating steel rail head | Toyokazu Teramoto, Akio Fujibayashi, Kozo Fukuda, Mashiro Ueda, Shinichi Nagahashi +5 more | 1989-12-12 |