Last update: January 9, 2024
09. DVD (Recordable Disc) Drive
DVD-RW
| Ref. No. | Country | Patent No. | Patentee | Expiry Date |
|---|---|---|---|---|
| WD15 | KR | 10-659685 | JVC KENWOOD | 2024-02-19 |
| WE17 | US | 6,965,555 | JVC KENWOOD | 2023-12-23 |
| WF41 | US | 7,130,840 | Panasonic | 2024-07-13 |
| WF59 | US | 7,102,970 | JVC KENWOOD | 2023-11-28 |
| WGD4 | KR | 660,454 | Toshiba | 2024-11-18 |
| WGD6 | TW | I313454 | Toshiba | 2024-11-15 |
| WGD7 | CN | Z041094915.X | Toshiba | 2024-11-18 |
| WGDU | FR | 1,596,374 | JVC KENWOOD | 2024-02-19 |
| WGDV | GB | 1,596,374 | JVC KENWOOD | 2024-02-19 |
| WGE2 | DE | 602004034810.4 | JVC KENWOOD | 2024-02-19 |
| WGGB | JP | 4,424,211 | JVC KENWOOD | 2025-01-24 |
| WGGB | CN | ZL200710188632.5 | JVC KENWOOD | 2025-04-11 |
| WGGE | JP | 4,609,770 | JVC KENWOOD | 2026-07-25 |
| WGGF | JP | 4,609,771 | JVC KENWOOD | 2026-07-25 |
| WGGG | JP | 4,609,772 | JVC KENWOOD | 2026-07-25 |
| WGGH | JP | 4,609,774 | JVC KENWOOD | 2026-07-25 |
| WGGS | US | 7,088,667 | Toshiba | 2024-04-02 |
| WGKJ | US | 7,693,021 | JVC KENWOOD | 2029-01-06 |
| WGKP | TW | 313,455 | JVC KENWOOD | 2025-01-31 |
| WGKR | CN | ZL200480004581.0 | JVC KENWOOD | 2024-02-19 |
| WGKT | CN | ZL200510065039.2 | JVC KENWOOD | 2025-04-11 |
| WGKW | CN | ZL200610059721.5 | JVC KENWOOD | 2026-03-03 |
| WGKX | CN | ZL200610075221.0 | JVC KENWOOD | 2026-04-17 |
| WGKZ | CN | ZL200710169518.8 | JVC KENWOOD | 2024-11-01 |
| WGM0 | CN | ZL200710188630.6 | JVC KENWOOD | 2025-04-11 |
| WGM1 | CN | ZL200710188631.0 | JVC KENWOOD | 2025-04-11 |
| WGM2 | CN | ZL200810083745.3 | JVC KENWOOD | 2024-02-19 |
| WGMF | US | 7,680,020 | JVC KENWOOD | 2027-12-13 |
| WGNW | JP | 4,986,985 | JVC KENWOOD | 2024-02-19 |
| WGNW | CN | ZL200810083744.9 | JVC KENWOOD | 2024-02-19 |
| WGNX | JP | 5,115,597 | JVC KENWOOD | 2025-01-24 |
| WGNY | JP | 5,375,986 | JVC KENWOOD | 2025-01-24 |
| WGP0 | TW | 434,279 | JVC KENWOOD | 2025-01-31 |
| WGP1 | TW | 435,321 | JVC KENWOOD | 2025-01-31 |
| WGP2 | CN | ZL200810131602.5 | JVC KENWOOD | 2024-02-19 |
| WGP3 | CN | ZL201010198553.4 | JVC KENWOOD | 2024-02-19 |
