G11B 15/60
Guiding record carrier
Official title: Guiding record carrier (guiding devices structurally associated with magazines or cassettes G11B23/04)
G11B15/60 (Guiding record carrier) appears on 2,341 US grants and 620 published applications in this corpus.
Search patents in G11B- Granted patents
- 2,341
- Published applications
- 620
- Assignees
- 343
- Inventors
- 2,723
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 65 | 0 |
| 1977 | 51 | 0 |
| 1978 | 44 | 0 |
| 1979 | 24 | 0 |
| 1980 | 35 | 0 |
| 1981 | 40 | 0 |
| 1982 | 47 | 0 |
| 1983 | 35 | 0 |
| 1984 | 58 | 0 |
| 1985 | 45 | 0 |
| 1986 | 49 | 0 |
| 1987 | 76 | 0 |
| 1988 | 79 | 0 |
| 1989 | 78 | 0 |
| 1990 | 79 | 0 |
| 1991 | 77 | 0 |
| 1992 | 62 | 0 |
| 1993 | 68 | 0 |
| 1994 | 102 | 0 |
| 1995 | 86 | 0 |
| 1996 | 82 | 0 |
| 1997 | 71 | 0 |
| 1998 | 97 | 0 |
| 1999 | 88 | 0 |
| 2000 | 75 | 0 |
| 2001 | 58 | 27 |
| 2002 | 65 | 52 |
| 2003 | 66 | 82 |
| 2004 | 72 | 70 |
| 2005 | 54 | 56 |
| 2006 | 40 | 45 |
| 2007 | 61 | 34 |
| 2008 | 39 | 34 |
| 2009 | 17 | 20 |
| 2010 | 11 | 17 |
| 2011 | 22 | 10 |
| 2012 | 19 | 12 |
| 2013 | 17 | 14 |
| 2014 | 29 | 23 |
| 2015 | 27 | 21 |
| 2016 | 19 | 15 |
| 2017 | 13 | 12 |
| 2018 | 18 | 18 |
| 2019 | 19 | 16 |
| 2020 | 25 | 11 |
| 2021 | 10 | 3 |
| 2022 | 8 | 8 |
| 2023 | 3 | 8 |
| 2024 | 7 | 6 |
| 2025 | 6 | 3 |
| 2026 | 3 | 3 |
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.
- High capacity captive tape drive6 Jan 2026US 12,518,788 B2Western Digital Technologies, Inc.
- Reduction of high tape contact pressure points against head assembly21 Oct 2025US 12,451,157 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, magnetic tape cartridge, and magnetic tape apparatus27 Aug 2026US 2026/0253611 A1FUJIFILM Corporation
- Tape drive, tape, and storage system19 Mar 2026US 2026/0080902 A1Huawei Technologies Co., Ltd.
- Reduction Of High Tape Contact Pressure Points Against Head Assembly12 Feb 2026US 2026/0045273 A1Western 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
Most cited
By later US patents
- Mechanically decoupled capstan drive1,737US 7,391,173 B2Intuitive Surgical, Inc. · 2008
- Single deck dual tape path VCR system150US 5,479,302 A1995
- Personal identification system and method134US 4,991,205 A1991
- Method and apparatus for process control, tension control, and testing of magnetic media126US 5,408,505 AWashington University · 1995
- Magnetic reader with read head biased against document by resilient deflection of circuit board122US 5,367,581 ADirect Data Systems · 1994