Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9833854 | Workpiece retainer, wire electric discharge machining device, thin-plate manufacturing method, and semiconductor-wafer manufacturing method | Takashi Yuzawa, Tatsushi Sato, Atsushi Itokazu | 2017-12-05 |
| 9707638 | Wire electric-discharge machining device, wire electric-discharge machining method, thin-plate manufacturing method, and semiconductor wafer manufacturing method | Atsushi Itokazu | 2017-07-18 |
| 9643270 | Wire discharge-machining apparatus with parallel cutting wires | Tatsushi Sato | 2017-05-09 |