Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481531 | Elevator communications apparatus | Hirokazu Nagura, Sadao Hokari, Atsuya Fujino | 2002-11-19 |
| 6446761 | Elevator system having wireless transmitting/receiving units | Nobuhisa Motoyama, Atsushi Kawabata, Yoshinori Ohkura, Kenichi Yamashita | 2002-09-10 |
| 6408986 | Charger for elevator call devices | Hideki Ayano, Sadao Hokari, Atsuya Fujino | 2002-06-25 |
| 6382361 | Elevator | Hideki Nihei, Hiroshi Nagase, Toshiyuki Tadokoro | 2002-05-07 |