G11B 2220/95
Serpentine format, wherein a single track or group of tracks traverses the
Official title: Serpentine format, wherein a single track or group of tracks traverses the tape plural times from one end to the other
G11B2220/95 (Serpentine format, wherein a single track or group of tracks traverses the) appears on 130 US grants and 99 published applications in this corpus.
Search patents in G11B- Granted patents
- 130
- Published applications
- 99
- Assignees
- 30
- Inventors
- 182
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 4 |
| 2004 | 5 | 2 |
| 2005 | 4 | 3 |
| 2006 | 1 | 1 |
| 2007 | 3 | 3 |
| 2008 | 2 | 4 |
| 2009 | 3 | 6 |
| 2010 | 3 | 2 |
| 2011 | 5 | 4 |
| 2012 | 5 | 16 |
| 2013 | 9 | 8 |
| 2014 | 13 | 9 |
| 2015 | 10 | 6 |
| 2016 | 9 | 8 |
| 2017 | 8 | 4 |
| 2018 | 3 | 4 |
| 2019 | 4 | 2 |
| 2020 | 3 | 2 |
| 2021 | 2 | 0 |
| 2022 | 3 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 4 |
| 2025 | 4 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic recording medium and cartridge2 Jun 2026US 12,646,531 B2Sony Group Corporation
- 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
- Repositioning operation on a tape medium based on dataset information1 Jul 2025US 12,347,469 B1International Business Machines Corporation
- Magnetic recording medium, magnetic tape cartridge, magnetic recording and reproducing device, and polymer12 Mar 2026US 2026/0073942 A1FUJIFILM Corporation
- Magnetic recording medium and cartridge3 Jul 2025US 2025/0218459 A1Sony Group 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
Most cited
By later US patents
- Robust metric computation of longitudinal position (LPOS) data symbol detection113US 8,576,510 B2International Business Machines Corporation · 2013
- Data record with pre-recorded transducer positioning signals, and system for utilizing same92US 4,472,750 AIrwin Magnetic Systems, Inc. · 1984
- Format and method for recording optimization92US 5,485,321 AStorage Technology Corporation · 1996
- Dynamic control of magnetic tape drive74US 5,892,633 AExabyte Corporation · 1999
- Library controller having stored table indicating attributes of an automated data storage library with respect to media68US 6,791,910 B1International Business Machines Corporation · 2004