Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700501 | Injection mold for molding discs | — | 1997-12-23 |
| 5690974 | Metal mold for molding runnerless product | — | 1997-11-25 |
| 5648106 | Injection mold for molding information recording discs | Akira Iijima | 1997-07-15 |