Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488126 | Elevator control device | Satoshi Suzuki | 2002-12-03 |
| 6405834 | Elevator maintenance/operation apparatus | Akihiro Chida, Junichiro Ishikawa, Hiroshi Ando, Kunio Katou | 2002-06-18 |
| 6357015 | Data interface and high-speed communication system using the same | Hiroshi Gokan, Akio Ohtsuji | 2002-03-12 |