G11B 2220/90
Tape-like record carriers
G11B2220/90 (Tape-like record carriers) appears on 3,842 US grants and 1,685 published applications in this corpus.
Search patents in G11B- Granted patents
- 3,842
- Published applications
- 1,685
- Assignees
- 580
- Inventors
- 4,399
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 13 | 0 |
| 1978 | 12 | 0 |
| 1979 | 18 | 0 |
| 1980 | 28 | 0 |
| 1981 | 20 | 0 |
| 1982 | 40 | 0 |
| 1983 | 28 | 0 |
| 1984 | 29 | 0 |
| 1985 | 46 | 0 |
| 1986 | 36 | 0 |
| 1987 | 57 | 0 |
| 1988 | 71 | 0 |
| 1989 | 87 | 0 |
| 1990 | 80 | 0 |
| 1991 | 72 | 0 |
| 1992 | 106 | 0 |
| 1993 | 123 | 0 |
| 1994 | 142 | 0 |
| 1995 | 144 | 0 |
| 1996 | 162 | 0 |
| 1997 | 134 | 0 |
| 1998 | 170 | 0 |
| 1999 | 157 | 0 |
| 2000 | 163 | 0 |
| 2001 | 140 | 83 |
| 2002 | 149 | 204 |
| 2003 | 152 | 139 |
| 2004 | 111 | 184 |
| 2005 | 80 | 134 |
| 2006 | 145 | 102 |
| 2007 | 99 | 83 |
| 2008 | 96 | 80 |
| 2009 | 78 | 55 |
| 2010 | 85 | 68 |
| 2011 | 243 | 206 |
| 2012 | 89 | 67 |
| 2013 | 82 | 55 |
| 2014 | 91 | 48 |
| 2015 | 66 | 47 |
| 2016 | 53 | 33 |
| 2017 | 33 | 23 |
| 2018 | 20 | 18 |
| 2019 | 20 | 9 |
| 2020 | 12 | 9 |
| 2021 | 11 | 9 |
| 2022 | 9 | 8 |
| 2023 | 7 | 10 |
| 2024 | 9 | 8 |
| 2025 | 6 | 2 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G11B 2220/91Helical scan format, wherein tracks are slightly tilted with respect to tapeIndexing code794
- G11B 2220/95Serpentine format, wherein a single track or group of tracks traverses theIndexing code130
- G11B 2220/93Longitudinal format, wherein tracks are in the direction of the tape, readIndexing code102
Recent patents
- Magnetic recording medium and cartridge2 Jun 2026US 12,646,531 B2Sony Group Corporation
- Extraction of audit trails21 Apr 2026US 12,608,395 B2Unisys Corporation
- Magnetic tape control system and magnetic tape control device3 Feb 2026US 12,542,152 B2FUJIFILM 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 recording medium, magnetic tape cartridge, magnetic recording and reproducing device, and polymer12 Mar 2026US 2026/0073942 A1FUJIFILM Corporation
- Writer for human-readable extremely high density permanent data storage21 Aug 2025US 2025/0266054 A1Brigham Young University
- Magnetic recording medium and cartridge3 Jul 2025US 2025/0218459 A1Sony Group Corporation
- Methods for Improving Track Density in Dual-Reel Removable Tape Devices and Fixed Tape Devices26 Dec 2024US 2024/0428823 A1Western Digital Technologies, Inc.
- High Capacity Captive Tape Drive19 Dec 2024US 2024/0420736 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Television schedule system1,133US 5,353,121 AStarsight Telecast, Inc. · 1994
- Multimedia time warping system1,079US 6,233,389 B1TiVo Inc. · 2001
- System and process for VCR scheduling1,066US 4,977,455 AInsight Telecast, Inc. · 1990
- User interface for television schedule system1,011US 5,479,268 AStarsight Telecast, Inc. · 1995
- Mass data storage and retrieval system997US 5,504,873 AE-Systems, Inc. · 1996