Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372197 | Mounting tool for holding elevator rope tension measuring device | Kotaro Watanabe, Tetsuro Seki, Sunao Fujiwara, Yoshiko Ono, Tetsushi Morikawa +2 more | 2025-07-29 |
| D967846 | Display screen with graphical user interface | Kotaro Watanabe, Seiichi Kumagai, Takaya TANIGUCHI, Kiyotaka Watanabe, Yoshiko Ono | 2022-10-25 |
| D959483 | Display screen with graphical user interface | Kotaro Watanabe, Seiichi Kumagai, Takaya TANIGUCHI, Kiyotaka Watanabe, Yoshiko Ono | 2022-08-02 |
| 11099138 | Detection device | Junji Hori, Koji Sakata, Keita Mochizuki, Kiyotaka Watanabe, Hiroshi Sasai | 2021-08-24 |