Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237705 | Self-propelled stairs moving unit | Masato Nakatani, Shinichi Mita, Toshihide Araya, Kiyotaka Deguchi, Toshiyuki Takai +2 more | 2001-05-29 |
| 5476155 | Stairway lift | Masato Nakatani, Hiroshi Kawai, Chikayuki Higashide, Megumi Nishino, Yoshimasa Yamamoto +5 more | 1995-12-19 |