Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4247496 | Method for improving the surface of plastic materials | Ken Kawakami, Shoji Saito | 1981-01-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4247496 | Method for improving the surface of plastic materials | Ken Kawakami, Shoji Saito | 1981-01-27 |