Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5579857 | Stair climbing vehicle | Minoru Abe, Heiji Fukutake, Yasuhiko Eguchi, Ryouji Wakizaka, Akira Takeuchi | 1996-12-03 |
| 5507358 | Stair climbing vehicle | Minoru Abe, Heiji Fukutake, Yasuhiko Eguchi, Ryouji Wakizaka, Akira Takeuchi | 1996-04-16 |