Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471011 | Elevator communication controller and communication control method | Hiroshi Ando, Kunikazu Koura, Nobukazu Takeuchi, Shougo Tatsumi | 2002-10-29 |
| 6450298 | Communications control system for elevators | Kunikazu Koura, Junya Tanaka, Keita Yamaguchi | 2002-09-17 |
| 6357015 | Data interface and high-speed communication system using the same | Shigeki Yamakawa, Akio Ohtsuji | 2002-03-12 |