Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5865274 | Elevator group management control apparatus and elevator group management control method | Junichi Kiji, Shoji Nakai, Mitsuyo Yamaura, Naoki Imasaki, Tatsuo Yoshitsugu | 1999-02-02 |