Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436764 | Method and apparatus for surface-hardening treatment of synthetic resin shaped articles | Mitisuke Edamatsu, Kenji Kushi | 1984-03-13 |
| 4411930 | Method and apparatus for surface-hardening treatment of synthetic resin articles | Mitisuke Edamatu | 1983-10-25 |