Last update: July 2, 2021
09. DVD (Recordable Disc) Drive
DVD-RW
| Ref. No. | Country | Patent No. | Patentee | Expiry Date |
|---|---|---|---|---|
| W262 | MY | 125074-A | Hitachi C.E. | 2021-07-31 |
| WD14 | CN | ZL01115692.9 | JVC KENWOOD | 2021-04-29 |
| 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 |
| WF41 | KR | 491,193 | Panasonic | 2021-05-30 |
| WF53 | US | 7,023,790 | JVC KENWOOD | 2021-02-23 |
| WF59 | US | 7,102,970 | JVC KENWOOD | 2023-11-28 |
| WG1H | US | 7,411,892 | JVC KENWOOD | 2021-04-05 |
| WG1S | US | 7,471,619 | JVC KENWOOD | 2021-04-05 |
| WG1T | US | 7,483,350 | SAMSUNG | 2021-01-12 |
| WG28 | US | 7,567,500 | JVC KENWOOD | 2021-04-05 |
| WG29 | US | 7,570,572 | JVC KENWOOD | 2021-04-05 |
| WG2A | US | 7,570,573 | JVC KENWOOD | 2021-04-05 |
| WG2B | US | 7,570,574 | JVC KENWOOD | 2021-04-05 |
| WG2C | US | 7,577,082 | JVC KENWOOD | 2021-04-05 |
| WG2D | US | 7,577,083 | JVC KENWOOD | 2021-04-15 |
| WG2E | US | 7,580,343 | JVC KENWOOD | 2021-04-05 |
| WG2G | US | 7,599,280 | JVC KENWOOD | 2021-04-05 |
| WG2T | US | 7,817,531 | JVC KENWOOD | 2021-04-05 |
| WG2U | US | 7,821,911 | JVC KENWOOD | 2021-04-05 |
| WG2V | US | 7,826,335 | JVC KENWOOD | 2021-04-05 |
| WG2W | US | 7,898,934 | JVC KENWOOD | 2023-06-20 |
| WGC7 | FR | 1,667,126 | JVC KENWOOD | 2021-04-04 |
| WGC8 | GB | 1,667,126 | JVC KENWOOD | 2021-04-04 |
| WGC9 | FR | 1,667,127 | JVC KENWOOD | 2021-04-04 |
| WGCA | GB | 1,667,127 | JVC KENWOOD | 2021-04-04 |
| WGCB | FR | 1,863,018 | JVC KENWOOD | 2021-04-04 |
| WGCC | GB | 1,863,018 | JVC KENWOOD | 2021-04-04 |
| WGCD | FR | 1,863,019 | JVC KENWOOD | 2021-04-04 |
| WGCE | GB | 1,863,019 | JVC KENWOOD | 2021-04-04 |
| WGCF | FR | 1,863,020 | JVC KENWOOD | 2021-04-04 |
| WGCG | GB | 1,863,020 | JVC KENWOOD | 2021-04-04 |
| WGCH | FR | 1,870,884 | JVC KENWOOD | 2021-04-04 |
| WGCJ | GB | 1,870,884 | JVC KENWOOD | 2021-04-04 |
| WGCQ | FR | 2,117,001 | JVC KENWOOD | 2021-04-04 |
| WGCR | GB | 2,117,001 | JVC KENWOOD | 2021-04-04 |
| WGCX | DE | 60131206.6 | JVC KENWOOD | 2021-04-04 |
| WGCY | DE | 60131207.4 | JVC KENWOOD | 2021-04-04 |
| WGCZ | DE | 60139731.2 | JVC KENWOOD | 2021-04-04 |
| WGD0 | DE | 60140154.9 | JVC KENWOOD | 2021-04-04 |
| WGD1 | DE | 60140277.4 | JVC KENWOOD | 2021-04-04 |
| WGD2 | DE | 60140332.0 | JVC KENWOOD | 2021-04-04 |
| WGD3 | DE | 60144719.0 | JVC KENWOOD | 2021-04-04 |
| WGD4 | KR | 660,454 | Toshiba | 2024-11-18 |
| WGD6 | TW | I313454 | Toshiba | 2024-11-15 |
| WGD7 | CN | Z041094915.X | Toshiba | 2024-11-18 |
| WGDN | FR | 1,158,499 | JVC KENWOOD | 2021-05-17 |
| WGDP | GB | 1,158,499 | JVC KENWOOD | 2021-05-17 |
| WGDU | FR | 1,596,374 | JVC KENWOOD | 2024-02-19 |
| WGDV | GB | 1,596,374 | JVC KENWOOD | 2024-02-19 |
| WGE0 | DE | 60144820.0 | JVC KENWOOD | 2021-05-17 |
| 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 |
| WGGS | CN | ZL02126986.6 | Toshiba | 2022-07-26 |
| WGJE | MY | 135,303 | SAMSUNG | 2023-03-31 |
| WGJJ | US | 7,286,460 | SAMSUNG | 2021-01-08 |
| WGJS | US | 7,420,904 | SAMSUNG | 2022-03-14 |
| WGK3 | US | 7,394,743 | JVC KENWOOD | 2023-04-08 |
| WGKF | US | 7,586,832 | JVC KENWOOD | 2021-05-30 |
| WGKG | US | 7,593,298 | JVC KENWOOD | 2022-09-02 |
| WGKJ | US | 7,693,021 | JVC KENWOOD | 2029-01-06 |
| WGKK | US | 7,764,590 | JVC KENWOOD | 2021-03-12 |
| WGKM | US | 7,920,460 | JVC KENWOOD | 2021-05-15 |
| WGKP | TW | 313,455 | JVC KENWOOD | 2025-01-31 |
| WGKQ | CN | ZL02156397.7 | JVC KENWOOD | 2022-11-01 |
| WGKR | CN | ZL200480004581.0 | JVC KENWOOD | 2024-02-19 |
| WGKS | CN | ZL200510004684.3 | JVC KENWOOD | 2021-04-29 |
| 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 |
| WGKY | CN | ZL200610103134.1 | JVC KENWOOD | 2022-11-01 |
| 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 |
| WGMA | US | 7,406,025 | JVC KENWOOD | 2021-02-01 |
| WGMB | US | 7,406,026 | JVC KENWOOD | 2021-01-13 |
| WGMF | US | 7,680,020 | JVC KENWOOD | 2027-12-13 |
| WGNQ | US | 8,159,926 | JVC KENWOOD | 2021-05-15 |
| 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 |
| WGNZ | DE | 60246855.8 | JVC KENWOOD | 2022-10-29 |
| WGNZ | FR | 1,308,942 | JVC KENWOOD | 2022-10-29 |
| WGNZ | GB | 1,308,942 | JVC KENWOOD | 2022-10-29 |
| 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 |
