Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377887 | Fire-resistant floor structure of railroad vehicle | Tetsuro Sato, Hiroki Uchikawa, Atsushi Shirai | 2025-08-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377887 | Fire-resistant floor structure of railroad vehicle | Tetsuro Sato, Hiroki Uchikawa, Atsushi Shirai | 2025-08-05 |