Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12337403 | Change device, fine hole electric discharge machine and electrode change method | Yuzo Dohi | 2025-06-24 |
| 11590594 | Lower guide unit of electrical discharge machine | Jun Takahashi, Yuzo Dohi | 2023-02-28 |
| 11465222 | Electric discharge machining unit of electric discharge machining apparatus | Jun Takahashi, Yuzo Dohi | 2022-10-11 |