G11B 5/5543
Servo-format therefor
Official title: {servo-format therefor}
G11B5/5543 (Servo-format therefor) appears on 79 US grants and 28 published applications in this corpus.
Search patents in G11B- Granted patents
- 79
- Published applications
- 28
- Assignees
- 25
- Inventors
- 172
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 5 | 2 |
| 2016 | 3 | 3 |
| 2017 | 4 | 0 |
| 2018 | 2 | 0 |
| 2019 | 3 | 1 |
| 2020 | 8 | 3 |
| 2021 | 5 | 3 |
| 2022 | 3 | 1 |
| 2023 | 2 | 2 |
| 2024 | 0 | 0 |
| 2025 | 3 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus17 Feb 2026US 12,555,603 B2FUJIFILM Corporation
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus22 Jul 2025US 12,367,905 B2FUJIFILM Corporation
- Servo-write for magnetic disk media archival data storage system3 Jun 2025US 12,322,422 B1Western Digital Technologies, Inc.
- VCM PWM to linear mode transition offset optimization to improve PES18 Mar 2025US 12,254,909 B2Western Digital Technologies, Inc.
- Reducing noise in back EMF sensing for data storage24 Oct 2023US 11,798,587 B1Western Digital Technologies, Inc.
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus9 Jan 2025US 2025/0014598 A1FUJIFILM Corporation
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus9 Jan 2025US 2025/0014604 A1FUJIFILM Corporation
- Vcm pwm to linear mode transition offset optimization to improve pes30 Nov 2023US 2023/0386512 A1Western Digital Technologies, Inc.
- Reducing noise in back emf sensing for data storage5 Oct 2023US 2023/0317107 A1Western Digital Technologies, Inc.
- Tape library system with integrated, feedback-based environmental and data durability control1 Dec 2022US 2022/0383900 A1Quantum Corporation
Most cited
By later US patents
- Disk drive write verifying unformatted data sectors137US 8,004,785 B1Western Digital Technologies, Inc. · 2011
- Recording and reproducing apparatus101US 5,473,584 AMatsushita Electric Industrial Co., Ltd. · 1995
- Method and apparatus for pre-recording tracking information on magnetic media59US 4,586,094 AIrwin Magnetic Systems, Inc. · 1986
- Servo data detection with improved phase shift tolerance55US 6,490,110 B2Cirrus Logic, Inc. · 2002
- Recording and reproducing apparatus53US 5,959,948 AMatsushita Electric Industrial Co., Ltd. · 1999