Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10816875 | Blade drive device | Kazuo Shikama, Longji Bai, Nobuaki Watanabe, Shozo Iwato | 2020-10-27 |
| 10788731 | Blade drive device | Kazuo Shikama, Shozo Iwato, Longji Bai, Nobuaki Watanabe | 2020-09-29 |
| 10754226 | Blade drive device | Shozo Iwato, Koji Sawanobori, Kazuo Shikama, Nobuaki Watanabe | 2020-08-25 |