G06F 21/80
In storage media based on magnetic or optical technology
Official title: in storage media based on magnetic or optical technology, e.g. disks with sectors (preventing unauthorised reproduction or copying of disc-type recordable media G11B20/00)
G06F21/80 (In storage media based on magnetic or optical technology) appears on 1,024 US grants and 1,105 published applications in this corpus.
Search patents in G06F- Granted patents
- 1,024
- Published applications
- 1,105
- Assignees
- 405
- Inventors
- 2,017
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 14 | 0 |
| 1998 | 14 | 0 |
| 1999 | 24 | 0 |
| 2000 | 12 | 0 |
| 2001 | 19 | 6 |
| 2002 | 16 | 45 |
| 2003 | 18 | 56 |
| 2004 | 32 | 41 |
| 2005 | 19 | 59 |
| 2006 | 40 | 106 |
| 2007 | 39 | 73 |
| 2008 | 43 | 102 |
| 2009 | 39 | 65 |
| 2010 | 52 | 72 |
| 2011 | 54 | 45 |
| 2012 | 61 | 53 |
| 2013 | 60 | 39 |
| 2014 | 67 | 42 |
| 2015 | 57 | 28 |
| 2016 | 44 | 44 |
| 2017 | 33 | 34 |
| 2018 | 38 | 33 |
| 2019 | 34 | 32 |
| 2020 | 25 | 22 |
| 2021 | 31 | 18 |
| 2022 | 24 | 32 |
| 2023 | 18 | 19 |
| 2024 | 28 | 16 |
| 2025 | 15 | 17 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recovering data from de-sequenced encoded data slices7 Jul 2026US 12,675,366 B2Pure Storage, Inc.
- Data writing method, recovery method, and reading method, and corresponding apparatus5 May 2026US 12,619,790 B2Alipay (Hangzhou) Information Technology Co., Ltd.
- Data security for networks combining encryption with error correction5 May 2026US 12,621,174 B2Cisco Technology, Inc.
- Hard drive dismantling system10 Feb 2026US 12,544,765 B2Serenity Data Security, LLC
- Managing encryption keys per logical block on a persistent memory device23 Dec 2025US 12,505,259 B2Micron Technology, Inc.
- De-Sequencing Encoded Data Slices via a Storage Network24 Sep 2026US 2026/0288583 A1Everpure, Inc.
- Encoding Broadcast Data in a Vast Storage Network5 Mar 2026US 2026/0064267 A1Pure Storage, Inc.
- System and method for performance optimization of standards-compliant data sanitization of information storage media26 Feb 2026US 2026/0057117 A1
- Managing encryption keys per logical block on a persistent memory device26 Feb 2026US 2026/0057119 A1Micron Technology, Inc.
- System and method for routing-based internet security19 Feb 2026US 2026/0052127 A1May Patents Ltd.
Most cited
By later US patents
- Method and system for controlling access share storage devices in a network environment by configuring host-to-volume mapping data structures in the controller memory for granting and denying access to the devices1,315US 6,343,324 B12002
- Method and apparatus for protecting material on storage media and for transferring material on storage media to various recipients664US 5,191,611 A1993
- Secure storage access using third party capability tokens560US 8,042,163 B1Symatec Operating Corporation · 2011
- Security system for microcomputers343US 4,757,533 AComputer Security Corporation · 1988
- Method and apparatus for controlling access to and corruption of information in computer systems327US 5,657,473 AArendee Limited · 1997