Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264494 | Conveying device | Yusuke Sugahara, Yukio Takeda, Daisuke Matsuura, Takahiro Ishii, Takeshi Matsumoto +1 more | 2025-04-01 |
| 11472670 | Safety gear for an elevator | Naohiro Shiraishi, Seiji Watanabe, Mitsuhiro Yamazumi | 2022-10-18 |
| 11365090 | Elevator device | Masunori Shibata, Kunimitsu Kishimoto, Takuo Kugiya, Norikazu Ito | 2022-06-21 |
| 10640331 | Elevator safety device and elevator system | Seiji Watanabe, Naohiro Shiraishi | 2020-05-05 |
| 10090126 | Opening and closing device | Munetaka Kashiwa, Shintaro Yamada, Toshihiro Matsunaga | 2018-10-02 |
| 9708158 | Multi-car elevator using an exclusion zone and preventing inter-car collision | Takuo Kugiya, Kiyoshi Funai, Eiji Ando | 2017-07-18 |
| 9394139 | Multi-car elevator and controlling method therefor | Takuo Kugiya, Kiyoshi Funai, Masafumi Iwata | 2016-07-19 |