Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297790 | Engine and flywheel housing | Yu Hirao | 2025-05-13 |
| 12228066 | Engine | Yu Hirao | 2025-02-18 |
| 12202054 | Tool driving device and method of producing drilled product | Ryohei Ono, Masao Watanabe, Tatsuo Nakahata | 2025-01-21 |
| 12202057 | Drill and method of producing drilled product | Masao Watanabe, Hiroyuki Sugawara, Tatsuo Nakahata, Ryohei Ono, Hideharu Takahashi | 2025-01-21 |