Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11661312 | Hoisting rope monitoring device | — | 2023-05-30 |
| 11198586 | Braking deceleration measurement of an elevator system | Takashi Takeuchi | 2021-12-14 |
| 11053095 | Elevator alert system | — | 2021-07-06 |
| 10741049 | Elevator motion alert system | Mitsuru Kato, Hideki Miyazawa | 2020-08-11 |