G11B 2020/1869
Preventing ageing phenomena from causing data loss
Official title: {Preventing ageing phenomena from causing data loss, e.g. by monitoring the age of record carriers or by recognising wear, and by copying information elsewhere when a record carrier becomes unreliable}
G11B2020/1869 (Preventing ageing phenomena from causing data loss) appears on 84 US grants and 70 published applications in this corpus.
Search patents in G11B- Granted patents
- 84
- Published applications
- 70
- Assignees
- 42
- Inventors
- 193
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 9 |
| 2011 | 3 | 8 |
| 2012 | 7 | 6 |
| 2013 | 4 | 1 |
| 2014 | 9 | 4 |
| 2015 | 6 | 4 |
| 2016 | 6 | 4 |
| 2017 | 5 | 2 |
| 2018 | 7 | 4 |
| 2019 | 4 | 5 |
| 2020 | 7 | 2 |
| 2021 | 1 | 1 |
| 2022 | 5 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Health management for magnetic storage media14 Jan 2025US 12,197,738 B2Marvell Asia Pte Ltd
- Mounting magnetic tapes based on lifecycle metrics and end of life indicators24 Sep 2024US 12,100,421 B1International Business Machines Corporation
- Method for providing error detection for a disk drive of a set top box13 Aug 2024US 12,061,534 B2ARRIS Enterprises LLC
- Data storage device adjusting refresh monitor based on a learning based feedback control3 Oct 2023US 11,775,366 B2Western Digital Technologies, Inc.
- Partitioned data-based TDS compensation using joint temporary encoding and environmental controls27 Jun 2023US 11,688,426 B2Quantum Corporation
- Mounting magnetic tapes based on lifecycle metrics and end of life indicators10 Oct 2024US 2024/0339130 A1International Business Machines Corporation
- Method for providing error detection for a disk drive of a set top box16 Mar 2023US 2023/0082836 A1ARRIS Enterprises LLC
- Health Management for Magnetic Storage Media19 Jan 2023US 2023/0020009 A1Marvell Asia Pte Ltd
- Partitioned data-based tds compensation using joint temporary encoding and environmental controls29 Dec 2022US 2022/0415357 A1Quantum Corporation
- Data Storage Device Adjusting Refresh Monitor Based On A Learning Based Feedback Control22 Sep 2022US 2022/0301588 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Disk drive refreshing zones based on serpentine access of disk surfaces147US 7,872,822 B1Western Digital Technologies, Inc. · 2011
- Disk drive biasing refresh zone counters based on write commands146US 7,974,029 B2Western Digital Technologies, Inc. · 2011
- Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradation114US 6,429,984 B1Komag, Inc. · 2002
- Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradation101US 6,628,466 B2Komag, Inc. · 2003
- Predictive characterization of adjacent track erasure in recording media89US 8,125,723 B1WD Media, LLC · 2012