G11B 5/5921
Using auxiliary signals
Official title: {using auxiliary signals, e.g. pilot signals}
G11B5/5921 (Using auxiliary signals) appears on 188 US grants and 114 published applications in this corpus.
Search patents in G11B- Granted patents
- 188
- Published applications
- 114
- Assignees
- 46
- Inventors
- 229
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 6 |
| 2003 | 4 | 5 |
| 2004 | 5 | 2 |
| 2005 | 2 | 1 |
| 2006 | 3 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 4 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 3 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 4 | 3 |
| 2016 | 4 | 3 |
| 2017 | 6 | 6 |
| 2018 | 4 | 7 |
| 2019 | 10 | 4 |
| 2020 | 4 | 3 |
| 2021 | 8 | 11 |
| 2022 | 10 | 15 |
| 2023 | 12 | 15 |
| 2024 | 10 | 7 |
| 2025 | 12 | 10 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Servo recording apparatus, servo write head, method of producing a magnetic tape, and magnetic tape6 Oct 2026US 12,755,759 B2Sony Group Corporation
- Multichannel linear magnetic tape drive having dual tilting actuators4 Aug 2026US 12,700,426 B1Western Digital Technologies, Inc.
- Magnetic tape, magnetic tape cartridge, magnetic tape system, test method, and manufacturing method of magnetic tape14 Jul 2026US 12,682,928 B2FUJIFILM Corporation
- Servo pattern recording head, servo pattern recording device, magnetic tape, magnetic tape cartridge, magnetic tape drive, magnetic tape system, and manufacturing method of magnetic tape9 Jun 2026US 12,651,609 B2FUJIFILM Corporation
- Tape head module having a congruent extension and method for mass producing same12 May 2026US 12,626,720 B2Western Digital Technologies, Inc.
- Magnetic recording medium27 Aug 2026US 2026/0253612 A1Sony Group Corporation
- Tape Head Module Having a Congruent Extension and Method for Mass Producing Same20 Aug 2026US 2026/0245584 A1Western Digital Technologies, Inc.
- Magnetic recording medium and cartridge30 Jul 2026US 2026/0221156 A1Sony Group Corporation
- Magnetic recording medium and cartridge23 Jul 2026US 2026/0212886 A1Sony Group Corporation
- Magnetic tape, magnetic tape cartridge, magnetic tape system, test method, and manufacturing method of magnetic tape11 Dec 2025US 2025/0378849 A1FUJIFILM Corporation
Most cited
By later US patents
- Digital processing of pilot-tone amplitudes158US 6,590,733 B1Agere Systems Inc. · 2003
- Magnetic tape media having servo patterns111US 9,495,985 B2International Business Machines Corporation · 2016
- Magnetic tape with specific servo pattern edge shape and magnetic tape device using same109US 9,773,519 B2FUJIFILM Corporation · 2017
- Magnetic tape and magnetic tape device108US 9,779,772 B1FUJIFILM Corporation · 2017
- Sampled amplitude read channel for processing multiple data streams in a disc storage system80US 5,852,524 ACirrus Logic, Inc. · 1998