Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911966 | Optical disk substrate | Masamitsu Murayama | 1990-03-27 |
| 4443565 | Thermoplastic resin composition containing metal foil fragments and process for its production | Akira Sakamoto | 1984-04-17 |