Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11592077 | Vibration damping device | Shingo Tanaka, Kenji Oki, Yusuke Arai, Keisuke Kawabe | 2023-02-28 |
| 4827209 | Instrument with crossed-coil type movable magnet | Seizou Tanaka | 1989-05-02 |