Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10788093 | Vibration-damping device | Akira Ueki, Masakazu Nagasawa, Yasuyuki Nagashima, Hideki Sugawara, Shingo Oono | 2020-09-29 |
| 10760641 | Vibration damping device | Akira Ueki, Masakazu Nagasawa, Yasuyuki Nagashima, Hideki Sugawara, Shingo Oono | 2020-09-01 |