Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977107 | Optical recording medium and method for making the same | Junichi Satou, Mamoru Usami, Yoshimi Sakai | 2005-12-20 |
| 5936934 | Optical disc having substrates with a specified thickness/diameter ratio and an adhesive layer with a specified Young's modulus range and mechanical dissipation factor range | Isamu Kuribayashi, Hideki Hirata | 1999-08-10 |