Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11465879 | Elevator rope maintenance method | Mitsuru Kato, Hirotomo Tanaka, Takashi Takeuchi, Ryuji Onoda, Yusuke Watabe +1 more | 2022-10-11 |
| 10994968 | Elevator rope elongation measuring device | Mitsuru Kato, Hideki Miyazawa, Yusuke Watabe | 2021-05-04 |
| 10684120 | Wire rope measuring device and wire rope measuring method | Yusuke Watabe, Mitsuru Kato, Ryuji Onoda, Hirotomo Tanaka, Takashi Takeuchi | 2020-06-16 |