Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5183988 | Electric discharge machining method | Hiroshi Takeuchi, Tomoko Sendai | 1993-02-02 |
| 4978827 | Machining tank with decomposed gas removal | — | 1990-12-18 |
| 4739143 | Discharge machining apparatus with wire electrode reversal | Yuichiro Haishi | 1988-04-19 |