Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832678 | Escalator with high speed inclined section | Manabu Ogura, Joichi Nakamura | 2004-12-21 |
| 6796416 | High-speed escalator for slope | Manabu Ogura, Joichi Nakamura | 2004-09-28 |
| 6786304 | Guide for elevator | Kenji Utsunomiya, Kenichi Okamoto | 2004-09-07 |
| 6763917 | Elevator vibration reduction apparatus including a dead band filter | Kenji Utsunomiya, Kenichi Okamoto | 2004-07-20 |