G11B 2020/1218
Wherein the formatting concerns a specific area of the disc
Official title: {wherein the formatting concerns a specific area of the disc}
G11B2020/1218 (Wherein the formatting concerns a specific area of the disc) appears on 1,666 US grants and 1,583 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,666
- Published applications
- 1,583
- Assignees
- 211
- Inventors
- 1,629
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 11 | 0 |
| 1998 | 26 | 0 |
| 1999 | 24 | 0 |
| 2000 | 75 | 0 |
| 2001 | 73 | 31 |
| 2002 | 55 | 87 |
| 2003 | 55 | 97 |
| 2004 | 70 | 109 |
| 2005 | 51 | 135 |
| 2006 | 124 | 128 |
| 2007 | 122 | 263 |
| 2008 | 139 | 197 |
| 2009 | 119 | 94 |
| 2010 | 103 | 65 |
| 2011 | 105 | 46 |
| 2012 | 88 | 49 |
| 2013 | 60 | 23 |
| 2014 | 56 | 33 |
| 2015 | 36 | 31 |
| 2016 | 53 | 49 |
| 2017 | 49 | 38 |
| 2018 | 42 | 27 |
| 2019 | 38 | 22 |
| 2020 | 22 | 20 |
| 2021 | 20 | 10 |
| 2022 | 8 | 8 |
| 2023 | 7 | 3 |
| 2024 | 4 | 3 |
| 2025 | 10 | 8 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G11B 2020/1232Sector, i.e. the minimal addressable physical data unitIndexing code535
- G11B 2020/1238Track, i.e. the entire a spirally or concentrically arranged path on whichIndexing code535
- G11B 2020/1222Ecc block, i.e. a block of error correction encoded symbols which includesIndexing code323
- G11B 2020/1242The area forming one or more zones, wherein each zone is shapedIndexing code213
- G11B 2020/1229Lead-in areaIndexing code162
- G11B 2020/1227One layer of multilayer discIndexing code96
- G11B 2020/122Burst cutting area [bca]Indexing code94
- G11B 2020/1221Cluster, i.e. a data structure which consists of a fixed number ofIndexing code90
All 15 subgroupsShow fewer
- G11B 2020/1235Session, i.e. a contiguous area having its own lead-in area, program areaIndexing code81
- G11B 2020/1231Lead-out areaIndexing code61
- G11B 2020/1225Frame, i.e. a subunit of a sector containing user dataIndexing code51
- G11B 2020/1228Middle zone or outer guard area of a multilayer discIndexing code47
- G11B 2020/1241User area, i.e. the area of a disc where user data areIndexing code28
- G11B 2020/1224Extent, i.e. a set of sectors which numbers form a continuous ascendingIndexing code20
- G11B 2020/1237Recording side of a single layer mediumIndexing code1
Recent patents
- Magnetic disk device and method18 Aug 2026US 12,711,984 B2Kabushiki Kaisha Toshiba
- Staggered bits magnetic recording21 Jul 2026US 12,688,865 B2Seagate Technology LLC
- Magnetic disk device26 May 2026US 12,640,166 B2Kabushiki Kaisha Toshiba
- Magnetic disk device and DOL setting method28 Apr 2026US 12,614,566 B2Kabushiki Kaisha Toshiba
- Magnetic disk apparatus and method10 Mar 2026US 12,573,426 B2Kabushiki Kaisha Toshiba
- Magnetic disk device and data recording method24 Sep 2026US 2026/0290397 A1Kabushiki Kaisha Toshiba
- Magnetic disk device and dol setting method13 Aug 2026US 2026/0237405 A1Kabushiki Kaisha Toshiba
- Magnetic disk apparatus and method30 Jul 2026US 2026/0221159 A1Kabushiki Kaisha Toshiba
- Magnetic disk device and method18 Jun 2026US 2026/0171109 A1Kabushiki Kaisha Toshiba
- Magnetic disk device30 Apr 2026US 2026/0120713 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Sector architecture for fixed block disk drive234US 5,523,903 AInternational Business Machines Corporation · 1996
- Disk drive employing read channel IC with common port for data and servo233US 6,278,568 B1Western Digital Corporation · 2001
- Disk drive employing read error tolerant sync mark detection216US 6,411,452 B1Western Digital Technologies, Inc. · 2002
- Disk drive employing state variable trap registers for providing stored servo and user data state variables to sampled-data channel175US 6,178,056 B1Western Digital Corporation · 2001
- Disk drive including a recording surface employing servo zones with banded data zones169US 6,262,857 B1Western Digital Corporation · 2001