Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6176351 | Double deck elevator allocation controlling apparatus | Tetsuji Ikeda, Kazuyuki Sakakibara | 2001-01-23 |
| 5865274 | Elevator group management control apparatus and elevator group management control method | Junichi Kiji, Shoji Nakai, Naoki Imasaki, Susumo Kubo, Tatsuo Yoshitsugu | 1999-02-02 |