Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9570949 | Electric motor with permanent magnet having curved outer wall and flat rear wall | Naoki Kamiya | 2017-02-14 |
| 4616880 | Continuous excavating machine | Yasuo Nozaki, Yoshikazu Oishi | 1986-10-14 |