G11B 5/584
For track following on tapes
Official title: for track following on tapes
G11B5/584 (For track following on tapes) appears on 1,772 US grants and 1,083 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,772
- Published applications
- 1,083
- Assignees
- 166
- Inventors
- 1,396
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 18 | 0 |
| 1980 | 15 | 0 |
| 1981 | 25 | 0 |
| 1982 | 16 | 0 |
| 1983 | 17 | 0 |
| 1984 | 29 | 0 |
| 1985 | 24 | 0 |
| 1986 | 20 | 0 |
| 1987 | 33 | 0 |
| 1988 | 17 | 0 |
| 1989 | 10 | 0 |
| 1990 | 20 | 0 |
| 1991 | 25 | 0 |
| 1992 | 21 | 0 |
| 1993 | 26 | 0 |
| 1994 | 32 | 0 |
| 1995 | 32 | 0 |
| 1996 | 22 | 0 |
| 1997 | 24 | 0 |
| 1998 | 30 | 0 |
| 1999 | 56 | 0 |
| 2000 | 51 | 0 |
| 2001 | 31 | 9 |
| 2002 | 36 | 43 |
| 2003 | 25 | 46 |
| 2004 | 61 | 51 |
| 2005 | 47 | 80 |
| 2006 | 71 | 49 |
| 2007 | 53 | 55 |
| 2008 | 42 | 51 |
| 2009 | 45 | 51 |
| 2010 | 52 | 46 |
| 2011 | 64 | 34 |
| 2012 | 32 | 37 |
| 2013 | 30 | 26 |
| 2014 | 64 | 48 |
| 2015 | 56 | 52 |
| 2016 | 53 | 37 |
| 2017 | 42 | 29 |
| 2018 | 38 | 41 |
| 2019 | 58 | 36 |
| 2020 | 48 | 46 |
| 2021 | 52 | 39 |
| 2022 | 43 | 33 |
| 2023 | 30 | 59 |
| 2024 | 44 | 41 |
| 2025 | 48 | 29 |
| 2026 | 32 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Single data band data storage6 Oct 2026US 12,755,758 B2International Business Machines Corporation
- Servo recording apparatus, servo write head, method of producing a magnetic tape, and magnetic tape6 Oct 2026US 12,755,759 B2Sony Group Corporation
- Read offset calibration for magnetic tape recording22 Sep 2026US 12,744,057 B1International Business Machines Corporation
- Multichannel linear magnetic tape drive having dual tilting actuators4 Aug 2026US 12,700,426 B1Western Digital Technologies, Inc.
- Magnetic head, magnetic tape, magnetic tape cartridge, magnetic tape drive, and magnetic tape system14 Jul 2026US 12,682,926 B2FUJIFILM Corporation
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus27 Aug 2026US 2026/0253611 A1FUJIFILM Corporation
- 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 medium13 Aug 2026US 2026/0237402 A1Sony Group Corporation
- Magnetic recording medium and cartridge30 Jul 2026US 2026/0221156 A1Sony Group Corporation
Most cited
By later US patents
- Timing based servo system for magnetic tape systems372US 5,689,384 AInternational Business Machines Corporation · 1997
- Tape head with support bars162US 6,611,398 B1Quantum Corporation · 2003
- Digital processing of pilot-tone amplitudes158US 6,590,733 B1Agere Systems Inc. · 2003
- Method and system for providing a tape head subassembly structure having an integrated wear bar and outrigger rail154US 6,577,470 B1Read-Rite Corporation · 2003
- Low inductance, ferrite sub-gap substrate structure for surface film magnetic recording heads139US 6,496,328 B1Advanced Research Corporation · 2002