Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295937 | Grooving machine | Fumio Katoh | 1994-03-22 |
| 4755651 | Liquid level setting means for electric discharge machine | Kikuo Tsutsui | 1988-07-05 |
| 4603392 | Controlling method and apparatus for grinding machines | Toshitaka Nagai | 1986-07-29 |