Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171585 | Apparatus for molding a formatted substrate for an optical disk | Yoshio Onisawa | 1992-12-15 |
| 5106553 | Method for molding a formatted substrate for an optical disk | Yoshio Onisawa | 1992-04-21 |