Last update: January 5, 2022
13. DVD-RAM Disc
DVD-RAM
| Ref. No. | Country | Patent No. | Patentee | Expiry Date |
|---|---|---|---|---|
| 107 | PH | 1-1997-58302 | Panasonic | 2023-06-08 |
| 114 | MY | 126,564 | Panasonic | 2021-10-31 |
| 341 | MY | 125074-A | Hitachi C.E. | 2021-07-31 |
| 354 | MY | 131,244 | SAMSUNG | 2022-07-31 |
| 363 | MY | 133,589 | SAMSUNG | 2022-11-30 |
| 477 | US | 6,560,181 | Toshiba | 2021-08-08 |
| 586 | MY | 135,281 | SAMSUNG | 2023-03-31 |
| 592 | US | 6,839,504 | Panasonic | 2023-04-24 |
| 667 | US | 7,154,826 | Hitachi C.E. | 2024-04-26 |
| 668 | US | 7,190,647 | Hitachi C.E. | 2025-08-03 |
