G11B 20/10
Digital recording or reproducing
G11B20/10 (Digital recording or reproducing) appears on 20,821 US grants and 14,394 published applications in this corpus.
Search patents in G11B- Granted patents
- 20,821
- Published applications
- 14,394
- Assignees
- 2,006
- Inventors
- 19,221
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 42 | 0 |
| 1977 | 61 | 0 |
| 1978 | 28 | 0 |
| 1979 | 39 | 0 |
| 1980 | 49 | 0 |
| 1981 | 46 | 0 |
| 1982 | 82 | 0 |
| 1983 | 86 | 0 |
| 1984 | 108 | 0 |
| 1985 | 179 | 0 |
| 1986 | 156 | 0 |
| 1987 | 184 | 0 |
| 1988 | 166 | 0 |
| 1989 | 245 | 0 |
| 1990 | 174 | 0 |
| 1991 | 155 | 0 |
| 1992 | 229 | 0 |
| 1993 | 292 | 0 |
| 1994 | 385 | 0 |
| 1995 | 438 | 0 |
| 1996 | 464 | 0 |
| 1997 | 512 | 0 |
| 1998 | 773 | 0 |
| 1999 | 630 | 0 |
| 2000 | 724 | 0 |
| 2001 | 752 | 345 |
| 2002 | 689 | 1006 |
| 2003 | 765 | 948 |
| 2004 | 766 | 1187 |
| 2005 | 576 | 1254 |
| 2006 | 994 | 1238 |
| 2007 | 876 | 1421 |
| 2008 | 899 | 1168 |
| 2009 | 852 | 881 |
| 2010 | 911 | 682 |
| 2011 | 1060 | 642 |
| 2012 | 846 | 442 |
| 2013 | 641 | 381 |
| 2014 | 751 | 495 |
| 2015 | 635 | 399 |
| 2016 | 474 | 375 |
| 2017 | 393 | 332 |
| 2018 | 326 | 245 |
| 2019 | 353 | 240 |
| 2020 | 279 | 191 |
| 2021 | 229 | 148 |
| 2022 | 162 | 109 |
| 2023 | 111 | 88 |
| 2024 | 100 | 83 |
| 2025 | 85 | 47 |
| 2026 | 49 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G11B 20/18Error detection or correction6,989
- G11B 20/12Formatting6,476
- G11B 20/10009Improvement or modification of read or write signals5,240
- G11B 20/10527Audio or video recording4,653
- G11B 20/14Using self-clocking codes3,286
- G11B 2020/10935Wherein a time constraint must be metIndexing code577
- G11B 2020/10916Seeking data on the record carrier for preparing an access to aIndexing code357
- G11B 2020/1087Wherein a selection is made among at least two alternative ways ofIndexing code264
All 13 subgroupsShow fewer
- G11B 2020/10898Overwriting or replacing recorded dataIndexing code237
- G11B 2020/10833Copying or moving data from one record carrier to anotherIndexing code94
- G11B 2020/10861Finalising a record carrier after a recording operationIndexing code85
- G11B 20/16Using non self-clocking codes, i.e. the clock signals are either recorded in53
- G11B 2020/10851Erasing data on the record carrierIndexing code26
Recent patents
- Preamplifier for a writer of a hard disk drive with fast rise time6 Oct 2026US 12,755,760 B1Marvell Asia Pte Ltd
- Magnetic disk device, control method, and learning method8 Sep 2026US 12,731,614 B2Kabushiki Kaisha Toshiba
- Magnetic disk device and method18 Aug 2026US 12,711,984 B2Kabushiki Kaisha Toshiba
- Apparatus and method for dynamic range transforming of images11 Aug 2026US 12,705,716 B2Koninklijke Philips N. V.
- Digital timing recovery in hard disk drive read channel for preamble reduction11 Aug 2026US 12,706,119 B1Marvell Asia Pte Ltd
- Data storage device with deferred decoding of analog read signals8 Oct 2026US 2026/0311725 A1Western Digital Technologies, Inc.
- Hybrid Analog Digital Audio Format1 Oct 2026US 2026/0301769 A1Ceramic Data Solutions GmbH
- Storage medium, magnetic disk device, and data center system24 Sep 2026US 2026/0288607 A1Kabushiki Kaisha Toshiba
- Magnetic recording device24 Sep 2026US 2026/0290396 A1Kabushiki Kaisha Toshiba
- Magnetic disk device and data recording method24 Sep 2026US 2026/0290397 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- System and method for synchronizing operations among a plurality of independently clocked digital data processing devices1,949US 8,234,395 B2Sonos, Inc. · 2012
- Enhanced raid write hole protection and recovery1,578US 5,774,643 ADigital Equipment Corporation · 1998
- Scheme for information dispersal and reconstruction1,530US 5,485,474 APresident and Fellows of Harvard College · 1996
- System for protecting the transmission of live data streams, and upon reception, for reconstructing the live data streams and recording them into files1,424US 7,024,609 B2Kencast, Inc. · 2006
- Data storage system controlled remote data mirroring with respectively maintained data indices1,377US 5,544,347 AEMC Corporation · 1996