G11B 23/502
Of tape carriers
Official title: {of tape carriers}
G11B23/502 (Of tape carriers) appears on 162 US grants and 42 published applications in this corpus.
Search patents in G11B- Granted patents
- 162
- Published applications
- 42
- Assignees
- 74
- Inventors
- 330
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 13 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 5 |
| 2003 | 2 | 1 |
| 2004 | 3 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 3 | 3 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tape drive error recovery procedure selection based on humidity5 May 2026US 12,620,414 B2International Business Machines Corporation
- Tape drive cleaning device18 Nov 2025US 12,475,927 B1International Business Machines Corporation
- System and method for conditioning new LTO media12 Mar 2024US 11,929,092 B2Quantum Corporation
- Tape drive with a tape roller assembly that includes a roller member and a stop mechanism30 Jan 2024US 11,887,625 B1MagStor Inc.
- System and method for cleaning advanced LTO tape systems30 May 2023US 11,664,052 B2Quantum Corporation
- Tape drive cleaning device20 Nov 2025US 2025/0356880 A1International Business Machines Corporation
- Tape drive error recovery procedure selection based on humidity25 Jul 2024US 2024/0249750 A1International Business Machines Corporation
- Self-contained sealed refurbishable tape bulk storage system14 Dec 2023US 2023/0399195 A1Quantum Corporation
- System and method for cleaning advanced lto tape systems22 Dec 2022US 2022/0406336 A1Quantum Corporation
- System and method for conditioning new lto media24 Nov 2022US 2022/0375498 A1Quantum Corporation
Most cited
By later US patents
- Magnetic tape, its cleaning method, and optical servotrack forming/cleaning apparatus112US 7,803,471 B1Hitachi Maxell, Ltd. · 2010
- Dust removing apparatus67US 5,979,011 ANoritsu Koki Co., Ltd. · 1999
- Disk playback device50US 5,123,001 ANakamichi Corporation · 1992
- Charge grounding hinge mechanism43US 4,847,711 AMitsubishi Denki Kabushiki Kaisha · 1989
- Photographic film cleaner39US 5,255,408 AEastman Kodak Company · 1993