G11B 15/66
Threading
Official title: Threading; Loading; Automatic self-loading
G11B15/66 (Threading) appears on 1,296 US grants and 321 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,296
- Published applications
- 321
- Assignees
- 212
- Inventors
- 1,537
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 16 | 0 |
| 1978 | 27 | 0 |
| 1979 | 14 | 0 |
| 1980 | 15 | 0 |
| 1981 | 14 | 0 |
| 1982 | 24 | 0 |
| 1983 | 21 | 0 |
| 1984 | 36 | 0 |
| 1985 | 29 | 0 |
| 1986 | 29 | 0 |
| 1987 | 48 | 0 |
| 1988 | 60 | 0 |
| 1989 | 50 | 0 |
| 1990 | 45 | 0 |
| 1991 | 51 | 0 |
| 1992 | 43 | 0 |
| 1993 | 34 | 0 |
| 1994 | 61 | 0 |
| 1995 | 45 | 0 |
| 1996 | 33 | 0 |
| 1997 | 47 | 0 |
| 1998 | 48 | 0 |
| 1999 | 38 | 0 |
| 2000 | 44 | 0 |
| 2001 | 39 | 15 |
| 2002 | 43 | 31 |
| 2003 | 42 | 56 |
| 2004 | 44 | 54 |
| 2005 | 37 | 33 |
| 2006 | 22 | 30 |
| 2007 | 42 | 25 |
| 2008 | 30 | 15 |
| 2009 | 11 | 5 |
| 2010 | 7 | 6 |
| 2011 | 7 | 2 |
| 2012 | 7 | 3 |
| 2013 | 4 | 5 |
| 2014 | 9 | 6 |
| 2015 | 6 | 7 |
| 2016 | 6 | 5 |
| 2017 | 6 | 6 |
| 2018 | 8 | 6 |
| 2019 | 5 | 2 |
| 2020 | 2 | 2 |
| 2021 | 5 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High capacity captive tape drive6 Jan 2026US 12,518,788 B2Western Digital Technologies, Inc.
- Magnetic tape having characterized dark regions on magnetic layer, magnetic tape cartridge, and magnetic tape apparatus23 Sep 2025US 12,424,244 B2FUJIFILM Corporation
- Magnetic tape having characterized bright regions on magnetic layer, magnetic tape cartridge, and magnetic tape apparatus23 Sep 2025US 12,424,245 B2FUJIFILM Corporation
- Noncontact communication device, magnetic tape drive, noncontact communication system, method for operating noncontact communication device, and program2 Jul 2024US 12,027,186 B2FUJIFILM Corporation
- Minimizing high resolution tape directory recovery time25 Jun 2024US 12,020,731 B1International Business Machines Corporation
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus27 Aug 2026US 2026/0253611 A1FUJIFILM Corporation
- High Capacity Captive Tape Drive19 Dec 2024US 2024/0420736 A1Western Digital Technologies, Inc.
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus27 Jun 2024US 2024/0212710 A1FUJIFILM Corporation
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus20 Jun 2024US 2024/0203454 A1FUJIFILM Corporation
- Noncontact communication device, magnetic tape drive, noncontact communication system, method for operating noncontact communication device, and program22 Jun 2023US 2023/0197107 A1FUJIFILM Corporation
Most cited
By later US patents
- Single deck dual tape path VCR system150US 5,479,302 A1995
- Mechanism and method for loading a tape from a cartridge to a take-up reel69US 6,034,839 ASeagate Technology LLC · 2000
- Error prevention in a recording and reproducing device with at least one rotating head60US 5,067,035 AKudelski SA fabrique de'enregistreurs Nagra · 1991
- Leader block for single reel tape cartridge54US 4,452,406 AInternational Business Machines Corporation · 1984
- Tape cartridge having written-in-defect servo patterns for rapid head position calibration50US 6,018,434 AQuantum Corporation · 2000