Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12202054 | Tool driving device and method of producing drilled product | Masao Watanabe, Tatsuo Nakahata, Shinya Matsuo | 2025-01-21 |
| 12202057 | Drill and method of producing drilled product | Masao Watanabe, Hiroyuki Sugawara, Tatsuo Nakahata, Shinya Matsuo, Hideharu Takahashi | 2025-01-21 |