Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877935 | Wire cut electrodischarge machine tool | Toshiyuki Aso | 1989-10-31 |
| 4818848 | Automatic wire connecting apparatus for wire cut electric discharge machine | Haruki Obara, Toshiyuki Aso, Hiroshi Kinoshita | 1989-04-04 |
| 4814572 | Apparatus for detecting completion of automatic wire setting | Toshiyuki Aso | 1989-03-21 |