Issued Patents 1989
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882464 | Electrical discharge machining equipment | — | 1989-11-21 |
| 4868760 | Wire electric discharge machining control apparatus | — | 1989-09-19 |
| 4864092 | Electric discharge machining power source | — | 1989-09-05 |
| 4833289 | Electric discharge machining control apparatus | — | 1989-05-23 |
| 4833290 | Electric discharge wire cutting conditions varied with nozzle height and liquid pressure | — | 1989-05-23 |
| 4820895 | Electric discharge machine position finding apparatus | — | 1989-04-11 |
| 4818848 | Automatic wire connecting apparatus for wire cut electric discharge machine | Toshiyuki Aso, Hiroshi Kinoshita, Tamotsu Ishibashi | 1989-04-04 |
| 4816636 | Wire cut electric discharge machine | Toshiyuki Aso, Hiroshi Kinoshita | 1989-03-28 |
| 4806720 | Method and apparatus for wire-cut electrical discharge machining | — | 1989-02-21 |
| 4803328 | Wire guide for electric discharge wire cutting | — | 1989-02-07 |
| 4803327 | Electrical power feeder for a wire electrode type electrical discharge machining apparatus | — | 1989-02-07 |
| 4801779 | Wire electrode type electrical discharge machining equipment | — | 1989-01-31 |