Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9776269 | Replacement determination device for electrical discharge machining electrode and replacement determination method | Kyoichi Hamada, Hiroshi Hazome | 2017-10-03 |
| 9676046 | Electrical discharge machining method | Kyoichi Hamada | 2017-06-13 |