G11B 15/62
Maintaining desired spacing between record carrier and head
G11B15/62 (Maintaining desired spacing between record carrier and head) appears on 359 US grants and 118 published applications in this corpus.
Search patents in G11B- Granted patents
- 359
- Published applications
- 118
- Assignees
- 108
- Inventors
- 523
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 10 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 12 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 0 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 12 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 9 | 0 |
| 1998 | 21 | 0 |
| 1999 | 23 | 0 |
| 2000 | 20 | 0 |
| 2001 | 11 | 7 |
| 2002 | 10 | 8 |
| 2003 | 9 | 10 |
| 2004 | 11 | 6 |
| 2005 | 3 | 8 |
| 2006 | 7 | 5 |
| 2007 | 11 | 1 |
| 2008 | 5 | 8 |
| 2009 | 3 | 6 |
| 2010 | 2 | 2 |
| 2011 | 6 | 3 |
| 2012 | 2 | 3 |
| 2013 | 5 | 4 |
| 2014 | 4 | 6 |
| 2015 | 5 | 2 |
| 2016 | 2 | 2 |
| 2017 | 4 | 2 |
| 2018 | 4 | 10 |
| 2019 | 9 | 11 |
| 2020 | 17 | 5 |
| 2021 | 2 | 0 |
| 2022 | 3 | 3 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic card reader comprising a stationary magnetic reading head16 Jun 2026US 12,657,409 B2Banks and Acquirers International Holding
- Low friction planar servo writer head16 Jun 2026US 12,658,200 B2Western Digital Technologies, Inc.
- Magnetic tape, magnetic tape cartridge, servo pattern recording device, magnetic tape drive, magnetic tape system, detection device, inspection device, servo pattern recording method, manufacturing method of magnetic tape, detection method, and inspection method29 Jul 2025US 12,374,361 B2FUJIFILM Corporation
- Magnetic tape device and method of operating magnetic tape device29 Jul 2025US 12,374,363 B2FUJIFILM Corporation
- Media non-contacting magnetic recording head8 Nov 2022US 11,495,254 B2Western Digital Technologies, Inc.
- Low Friction Planar Servo Writer Head11 Dec 2025US 2025/0378846 A1Western Digital Technologies, Inc.
- Magnetic card reader comprising a stationary magnetic reading head4 Dec 2025US 2025/0371293 A1Banks and Acquirers International Holding
- Tape guide assembly2 Oct 2025US 2025/0308555 A1International Business Machines Corporation
- Magnetic tape, magnetic tape cartridge, servo pattern recording device, magnetic tape drive, magnetic tape system, detection device, inspection device, servo pattern recording method, manufacturing method of magnetic tape, detection method, and inspection method27 Jun 2024US 2024/0212708 A1FUJIFILM Corporation
- Magnetic tape device and method of operating magnetic tape device18 May 2023US 2023/0154493 A1FUJIEILM Corporation
Most cited
By later US patents
- Method and apparatus for process control, tension control, and testing of magnetic media126US 5,408,505 AWashington University · 1995
- Mechanism for damping tape vibrations in a magnetic tape recorder115US 4,825,317 ASiemens Aktiengesellschaft · 1989
- Tape head having sensors proximate to an edge113US 9,837,104 B1International Business Machines Corporation · 2017
- Bidirectional flat contour linear tape recording head and drive78US 5,905,613 AInternational Business Machines Corporation · 1999
- Recording head compensation for tape shrinkage and expansion68US 7,193,812 B2International Business Machines Corporation · 2007