Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227391 | Vibration damping device and elevator apparatus | Eiichi Saito, Takahide Hirai, Seiji Watanabe, Daisuke Nakazawa, Daiki Fukui +1 more | 2025-02-18 |
| 12103823 | Vibration damping device and elevator apparatus | Eiichi Saito, Takahide Hirai, Seiji Watanabe, Daisuke Nakazawa, Daiki Fukui +1 more | 2024-10-01 |
| 12098059 | Sway amount estimation system and elevator apparatus | Eiichi Saito, Takahide Hirai, Seiji Watanabe, Daisuke Nakazawa, Daiki Fukui +1 more | 2024-09-24 |
| 12049385 | Vibration damping system and elevator apparatus | Eiichi Saito, Takahide Hirai, Seiji Watanabe, Daisuke Nakazawa, Daiki Fukui +1 more | 2024-07-30 |