Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698114 | Surface layer forming process using electric discharge machining | Nagao Saito, Naotake Mohri | 1997-12-16 |
| 5693240 | Surface layer forming apparatus using electric discharge machining | Nagao Saito, Naotake Mohri | 1997-12-02 |
| 5651901 | Method and apparatus for surface treatment by electrical discharge machining | Naotake Mohri, Nagao Saito, Toshiro Ohizumi | 1997-07-29 |