Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168761 | Worm wheel, worm reduction gear, and method for producing worm wheel | Haruhiko Kiyota, Takeshi Yamamoto, Kaname Yasuda, Junichi Takano, Kazuki Hotta | 2021-11-09 |
| 11047466 | Worm wheel, worm decelerator, and method for producing worm wheel | Haruhiko Kiyota, Takeshi Yamamoto, Kaname Yasuda, Junichi Takano, Kazuki Hotta | 2021-06-29 |
| 11041544 | Worm wheel and worm speed reducer | Haruhiko Kiyota, Takeshi Yamamoto, Kaname Yasuda, Junichi Takano, Kazuki Hotta | 2021-06-22 |