G11B 2220/2537
Optical discs
G11B2220/2537 (Optical discs) appears on 8,673 US grants and 8,737 published applications in this corpus.
Search patents in G11B- Granted patents
- 8,673
- Published applications
- 8,737
- Assignees
- 964
- Inventors
- 8,189
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 18 | 0 |
| 1986 | 8 | 0 |
| 1987 | 22 | 0 |
| 1988 | 30 | 0 |
| 1989 | 51 | 0 |
| 1990 | 49 | 0 |
| 1991 | 44 | 0 |
| 1992 | 68 | 0 |
| 1993 | 79 | 0 |
| 1994 | 88 | 0 |
| 1995 | 109 | 0 |
| 1996 | 108 | 0 |
| 1997 | 143 | 0 |
| 1998 | 226 | 0 |
| 1999 | 224 | 0 |
| 2000 | 257 | 0 |
| 2001 | 283 | 266 |
| 2002 | 337 | 699 |
| 2003 | 380 | 645 |
| 2004 | 387 | 917 |
| 2005 | 299 | 890 |
| 2006 | 523 | 964 |
| 2007 | 530 | 1111 |
| 2008 | 595 | 843 |
| 2009 | 592 | 630 |
| 2010 | 676 | 529 |
| 2011 | 711 | 478 |
| 2012 | 607 | 278 |
| 2013 | 511 | 137 |
| 2014 | 284 | 111 |
| 2015 | 136 | 61 |
| 2016 | 84 | 44 |
| 2017 | 48 | 45 |
| 2018 | 37 | 26 |
| 2019 | 45 | 17 |
| 2020 | 24 | 15 |
| 2021 | 16 | 9 |
| 2022 | 6 | 4 |
| 2023 | 6 | 9 |
| 2024 | 9 | 4 |
| 2025 | 4 | 3 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G11B 2220/2562Dvds [digital versatile discs]Indexing code4,696
- G11B 2220/2545CdsIndexing code2,915
- G11B 2220/2541Blu-ray discsIndexing code1,397
- G11B 2220/2579Hd-dvds [high definition dvds]Indexing code257
- G11B 2220/2583Wherein two standards are used on a single discIndexing code217
- G11B 2220/2587Laser discsIndexing code185
- G11B 2220/2595Super-resolution optical discs, i.e. optical discs wherein the size of marks isIndexing code8
- G11B 2220/2591Sffo discs, i.e. small form factor optical discsIndexing code3
Recent patents
- User control for displaying tags associated with items in a video playback14 Jul 2026US 12,684,199 B2TP-Link Systems Inc.
- Remote transmission controllable external optical disc driver data processing method and device5 May 2026US 12,620,419 B2Shenzhen Zhonglin Information Technology Co., Ltd.
- Reproduction device, reproduction method, and recording medium14 Apr 2026US 12,604,024 B2Saturn Licensing LLC
- Reproduction device, reproduction method, and recording medium17 Mar 2026US 12,581,030 B2Saturn Licensing LLC
- Method of partitioning video data between multiple discs27 Jan 2026US 12,537,026 B2Motorola Solutions, Inc.
- Reproduction device, reproduction method, and recording medium17 Sep 2026US 2026/0281411 A1Saturn Licensing LLC
- Reproduction device, reproduction method, and recording medium27 Aug 2026US 2026/0254918 A1Saturn Licensing LLC
- Method of partitioning video data between multiple discs23 Oct 2025US 2025/0329346 A1Motorola Solutions, Inc.
- Reproduction device, reproduction method, and recording medium24 Apr 2025US 2025/0133229 A1Saturn Licensing LLC
- Remote transmission controllable external optical disc driver data processing method and device17 Apr 2025US 2025/0124954 A1Shenzhen Zhonglin Information Technology Co., Ltd.
Most cited
By later US patents
- Multimedia time warping system1,079US 6,233,389 B1TiVo Inc. · 2001
- Video communications system having a remotely controlled central source of video and audio data1,037US 4,949,187 A1990
- Integration of music from a personal library with real-time information1,026US 6,192,340 B12001
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels1,021US 5,943,422 AIntertrust Technologies Corporation · 1999
- Network apparatus and method for preview of music products and compilation of market data981US 5,963,916 AIntouch Group, Inc. · 1999