Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8204970 | Remote update system for elevator control program | Satoshi Mii, Ryozo Kiyohara, Hideki Shiozaki, Morimasa YOKOTA | 2012-06-19 |
| 7093692 | Door control device of elevator | — | 2006-08-22 |
| 6631788 | Elevator system with safety installation | Masahiro Shikai, Hajime Nakajima, Toshiro Nakashima, Kazuo Takashima, Tatsushi Takahashi +4 more | 2003-10-14 |
| 6471011 | Elevator communication controller and communication control method | Hiroshi Ando, Hiroshi Gokan, Nobukazu Takeuchi, Shougo Tatsumi | 2002-10-29 |
| 6467583 | Communications control system for elevators | Nobukazu Takeuchi, Shougo Tatsumi | 2002-10-22 |
| 6450298 | Communications control system for elevators | Hiroshi Gokan, Junya Tanaka, Keita Yamaguchi | 2002-09-17 |
| 6349795 | Communication device for elevator control system | Shougo Tatsumi | 2002-02-26 |
| 5893433 | Elevator car position detecting apparatus | — | 1999-04-13 |