Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880957 | Wire-cut electrical discharge machine with electric shock preventer | Hiroshi Hosoda | 1989-11-14 |
| 4877935 | Wire cut electrodischarge machine tool | Tamotsu Ishibashi | 1989-10-31 |
| 4868363 | Apparatus for supplying a working fluid in an electric discharge machine | Toyotada Kajitori | 1989-09-19 |
| 4857688 | Machining fluid supply controlling system for a wire cut electrical discharge machine | Yuuki Kita, Sadahiro Watanabe | 1989-08-15 |
| 4833291 | Three-point support guide of a wire electric discharge machine | Yuki Kita | 1989-05-23 |
| 4818848 | Automatic wire connecting apparatus for wire cut electric discharge machine | Haruki Obara, Hiroshi Kinoshita, Tamotsu Ishibashi | 1989-04-04 |
| 4816636 | Wire cut electric discharge machine | Haruki Obara, Hiroshi Kinoshita | 1989-03-28 |
| 4814572 | Apparatus for detecting completion of automatic wire setting | Tamotsu Ishibashi | 1989-03-21 |