Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4903612 | Intercar gangway for articulated cars | Takamitsu Sassa, Minoru Ishikawa | 1990-02-27 |
| 4765249 | Gangway construction for vehicles | Masashi Ishizuka, Rokuro Ando, Koji Tabata | 1988-08-23 |
| 4736688 | Hood device for coupling cars | Rokuro Ando | 1988-04-12 |