Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11057706 | Speaker driving device | Akira Yasuda, Hiroshi Iwamura | 2021-07-06 |
| 10907323 | Hydraulic drive device for working machine | Yoshifumi Takimoto, Kazuo Takiguchi, Chinori Iio, Hiromasa Takahashi | 2021-02-02 |