Last update: January 8, 2021
13. DVD-RAM Disc
DVD-RAM
| Ref. No. | Country | Patent No. | Patentee | Expiry Date |
|---|---|---|---|---|
| 073 | PH | 1-1997-57406 | Hitachi C.E. | 2021-06-08 |
| 106 | MY | 120,440 | Toshiba | 2020-10-30 |
| 107 | PH | 1-1997-58302 | Panasonic | 2023-06-08 |
| 114 | MY | 126,564 | Panasonic | 2021-10-31 |
| 287 | MY | MY-119999-A | Mitsubishi/Panasonic | 2020-08-30 |
| 297 | JP | 3,171,584 | Panasonic | 2020-09-29 |
| 297 | TW | 150,744 | Panasonic | 2020-09-29 |
| 329 | JP | 3,358,623 | Hitachi C.E. | 2020-12-21 |
| 341 | MY | 125074-A | Hitachi C.E. | 2021-07-31 |
| 354 | MY | 131,244 | SAMSUNG | 2022-07-31 |
| 358 | MY | 122,151 | SAMSUNG | 2021-03-31 |
| 363 | MY | 133,589 | SAMSUNG | 2022-11-30 |
| 444 | US | 6,411,597 | Panasonic | 2020-07-05 |
| 447 | US | 6,463,029 | Panasonic | 2020-10-18 |
| 477 | US | 6,560,181 | Toshiba | 2021-08-08 |
| 477 | TW | 157,498 | Toshiba | 2020-11-01 |
| 482 | MY | 120701-A | Mitsubishi/Panasonic | 2020-11-30 |
| 574 | PH | 1-2001-02124 | Panasonic/Toshiba | 2021-04-28 |
| 586 | MY | 135,281 | SAMSUNG | 2023-03-31 |
| 592 | US | 6,839,504 | Panasonic | 2023-04-24 |
| 592 | CN | ZL00816497.5 | Panasonic | 2020-09-29 |
| 598 | US | 7,042,822 | Toshiba | 2021-05-20 |
| 665 | US | 6,741,534 | Toshiba | 2020-09-21 |
| 667 | US | 7,154,826 | Hitachi C.E. | 2024-04-26 |
| 668 | US | 7,190,647 | Hitachi C.E. | 2025-08-03 |
| 674 | US | 6,742,147 | Panasonic | 2020-10-13 |
| 676 | US | 6,925,040 | Hitachi C.E. | 2021-05-10 |
