G11B 2020/185
Using an low density parity check [ldpc] code
Official title: {using an low density parity check [LDPC] code}
G11B2020/185 (Using an low density parity check [ldpc] code) appears on 178 US grants and 164 published applications in this corpus.
Search patents in G11B- Granted patents
- 178
- Published applications
- 164
- Assignees
- 42
- Inventors
- 237
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 1 | 11 |
| 2010 | 5 | 6 |
| 2011 | 10 | 15 |
| 2012 | 18 | 14 |
| 2013 | 20 | 33 |
| 2014 | 34 | 27 |
| 2015 | 34 | 14 |
| 2016 | 17 | 10 |
| 2017 | 11 | 8 |
| 2018 | 2 | 2 |
| 2019 | 5 | 5 |
| 2020 | 6 | 2 |
| 2021 | 2 | 1 |
| 2022 | 5 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 6 |
| 2025 | 5 | 0 |
By publication year.
Recent patents
- ML assisted dynamic decoding gear selection14 Oct 2025US 12,444,439 B2SanDisk Technologies LLC
- Data storage device configuration using mutual information29 Jul 2025US 12,374,365 B2Western Digital Technologies, Inc.
- Modulation code and ECC rate optimization using symbol context mutual information27 May 2025US 12,315,534 B2Western Digital Technologies, Inc.
- Magnetic disk device28 Jan 2025US 12,211,519 B2Kabushiki Kaisha Toshiba
- Magnetic disk device21 Jan 2025US 12,205,617 B2Kabushiki Kaisha Toshiba
- Magnetic disk device26 Sep 2024US 2024/0321313 A1Kabushiki Kaisha Toshiba
- Magnetic disk device5 Sep 2024US 2024/0296869 A1Kabushiki Kaisha Toshiba
- Data Storage Device Configuration Using Mutual Information8 Aug 2024US 2024/0265943 A1Western Digital Technologies, Inc.
- Modulation Code and ECC Rate Optimization Using Symbol Context Mutual Information8 Aug 2024US 2024/0265948 A1Western Digital Technologies, Inc.
- Ml assisted dynamic decoding gear selection25 Jul 2024US 2024/0249749 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Disk drive margining read channel using predictable disturbance samples generated as a function of a written pattern141US 7,990,648 B1Western Digital Technologies, Inc. · 2011
- Disk drive margining read channel by biasing log-likelihood ratios of a nonbinary iterative decoder71US 8,339,919 B1Western Digital Technologies, Inc. · 2012
- Timing recovery in error recovery for iterative detection27US 7,596,196 B1Maxtor Corporation · 2009
- Data access for shingled magnetic recording media27US 9,153,287 B1Western Digital Technologies, Inc. · 2015
- Adaptive read error recovery for memory devices27US 9,397,703 B2Seagate Technology LLC · 2016