Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11975946 | Elevator rope monitoring device and elevator rope monitoring method | Yusuke Watabe, Makoto Niwakawa, Mitsuru Kato, Hirotomo Tanaka, Takashi Takeuchi | 2024-05-07 |
| 11465879 | Elevator rope maintenance method | Mitsuru Kato, Hirotomo Tanaka, Takashi Takeuchi, Yusuke Watabe, Yoshiki Nota +1 more | 2022-10-11 |
| 10684120 | Wire rope measuring device and wire rope measuring method | Yoshiki Nota, Yusuke Watabe, Mitsuru Kato, Hirotomo Tanaka, Takashi Takeuchi | 2020-06-16 |