G11B 15/67
By extracting end of record carrier from container or spool
Official title: by extracting end of record carrier from container or spool
G11B15/67 (By extracting end of record carrier from container or spool) appears on 469 US grants and 194 published applications in this corpus.
Search patents in G11B- Granted patents
- 469
- Published applications
- 194
- Assignees
- 111
- Inventors
- 604
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 7 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 16 | 0 |
| 1985 | 5 | 0 |
| 1986 | 10 | 0 |
| 1987 | 12 | 0 |
| 1988 | 23 | 0 |
| 1989 | 14 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 22 | 0 |
| 2001 | 17 | 9 |
| 2002 | 27 | 19 |
| 2003 | 35 | 37 |
| 2004 | 26 | 25 |
| 2005 | 27 | 20 |
| 2006 | 7 | 15 |
| 2007 | 17 | 20 |
| 2008 | 18 | 10 |
| 2009 | 8 | 1 |
| 2010 | 4 | 6 |
| 2011 | 6 | 2 |
| 2012 | 7 | 1 |
| 2013 | 3 | 4 |
| 2014 | 4 | 2 |
| 2015 | 5 | 6 |
| 2016 | 4 | 3 |
| 2017 | 3 | 4 |
| 2018 | 4 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 3 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Cleaning enabling device, cleaning device, and magnetic tape device23 May 2023US 11,657,838 B2NEC Platforms, Ltd.
- Recovery device, recovery system, and recovery method26 Jul 2022US 11,398,250 B2NEC Platforms, Ltd.
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus27 Aug 2026US 2026/0253611 A1FUJIFILM Corporation
- 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
- Cleaning enabling device, cleaning device, and magnetic tape device17 Feb 2022US 2022/0051692 A1NEC Platforms, Ltd.
Most cited
By later US patents
- Mechanism and method for loading a tape from a cartridge to a take-up reel69US 6,034,839 ASeagate Technology LLC · 2000
- 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
- Magnetic data storage and drive apparatus49US 4,477,851 AMicrotek Storage Corporation · 1984
- Single reel tape cartridge47US 4,426,047 AInternational Business Machines Corporation · 1984