Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168761 | Worm wheel, worm reduction gear, and method for producing worm wheel | Takeshi Yamamoto, Kaname Yasuda, Tomohiro Arai, Junichi Takano, Kazuki Hotta | 2021-11-09 |
| 11047466 | Worm wheel, worm decelerator, and method for producing worm wheel | Takeshi Yamamoto, Kaname Yasuda, Tomohiro Arai, Junichi Takano, Kazuki Hotta | 2021-06-29 |
| 11041544 | Worm wheel and worm speed reducer | Takeshi Yamamoto, Kaname Yasuda, Tomohiro Arai, Junichi Takano, Kazuki Hotta | 2021-06-22 |
| 10920163 | Grease composition for lubricating resins and electric power steering device | Iwaki Hirooka, Takeshi Yamamoto, Michita Hokao | 2021-02-16 |