G11B 20/20
Signal processing not specific to the method of recording or reproducing: for
Official title: for correction of skew for multitrack recording
G11B20/20 (Signal processing not specific to the method of recording or reproducing: for) appears on 92 US grants and 38 published applications in this corpus.
Search patents in G11B- Granted patents
- 92
- Published applications
- 38
- Assignees
- 59
- Inventors
- 188
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 6 |
| 2004 | 2 | 2 |
| 2005 | 3 | 2 |
| 2006 | 3 | 1 |
| 2007 | 3 | 4 |
| 2008 | 1 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 1 |
| 2011 | 4 | 1 |
| 2012 | 3 | 2 |
| 2013 | 1 | 1 |
| 2014 | 3 | 1 |
| 2015 | 4 | 2 |
| 2016 | 2 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 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 apparatus14 Apr 2026US 12,603,108 B2FUJIFILM Corporation
- Tape head assembly with single beam, actuator and spring adaptor21 May 2024US 11,990,164 B1Western Digital Technologies, Inc.
- Data storage system and magnetic tape recording media with features for correcting the combined effects of tape skew and tape dimensional stability10 Oct 2023US 11,783,857 B2International Business Machines Corporation
- Magnetic disk device having two regions of different thicknesses30 Mar 2021US 10,964,344 B2Kabushiki Kaisha Toshiba
- Magnetic disk device and read processing method16 Feb 2021US 10,923,144 B2Kabushiki Kaisha Toshiba
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus19 Oct 2023US 2023/0335160 A1FUJIFILM Corporation
- Precision enrichment of pathology specimens8 Dec 2022US 2022/0392638 A1Foundation Medicine, Inc.
- Data storage system and magnetic tape recording media with features for correcting the combined effects of tape skew and tape dimensional stability9 Jun 2022US 2022/0180897 A1International Business Machines Corporation
- Magnetic disk device and read processing method6 Aug 2020US 2020/0251131 A1Kabushiki Kaisha Toshiba
- Magnetic disk device4 Jun 2020US 2020/0176026 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Information retrieval system and apparatus251US 4,536,866 AVideonics of Hawaii, Inc. · 1985
- Disk drive selecting TPI profile by estimating head geometry145US 7,688,540 B1Western Digital Technologies, Inc. · 2010
- Sampled amplitude read channel for processing multiple data streams in a disc storage system80US 5,852,524 ACirrus Logic, Inc. · 1998
- Magnetic disc recording system employing two stage actuators for simultaneous accesses through multiple recording heads45US 5,901,010 ACirrus Logic, Inc. · 1999
- Error correcting apparatus36US 4,357,702 AC.N.R., Inc. · 1982