Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481531 | Elevator communications apparatus | Hirokazu Nagura, Hiromi Inaba, Sadao Hokari | 2002-11-19 |
| 6408986 | Charger for elevator call devices | Hideki Ayano, Hiromi Inaba, Sadao Hokari | 2002-06-25 |