G11B 23/20
Record carriers not specific to the method of recording or reproducing: with
Official title: with provision for splicing to provide permanent or temporary connections
G11B23/20 (Record carriers not specific to the method of recording or reproducing: with) appears on 253 US grants and 113 published applications in this corpus.
Search patents in G11B- Granted patents
- 253
- Published applications
- 113
- Assignees
- 70
- Inventors
- 307
- Latest grant
- 26 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 12 | 11 |
| 2002 | 13 | 15 |
| 2003 | 17 | 20 |
| 2004 | 13 | 25 |
| 2005 | 24 | 20 |
| 2006 | 14 | 4 |
| 2007 | 5 | 8 |
| 2008 | 10 | 6 |
| 2009 | 2 | 0 |
| 2010 | 1 | 1 |
| 2011 | 4 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Recovery device, recovery system, and recovery method26 Jul 2022US 11,398,250 B2NEC Platforms, Ltd.
- Data storage tape cartridge23 Mar 2021US 10,957,356 B2International Business Machines Corporation
- Leader retention method and device6 Mar 2012US 8,130,465 B1Oracle America, Inc.
- Single-reel type tape cartridge28 Jun 2011US 7,967,931 B2Hitachi Maxell, Ltd.
- Reinforced tape for a data storage device10 May 2011US 7,940,496 B2Oracle America, Inc.
- Magnetic recording medium and magnetic recording medium cartridge5 Dec 2024US 2024/0404555 A1Sony Group Corporation
- Recovery device, recovery system, and recovery method27 Jan 2022US 2022/0028423 A1NEC Platforms, Ltd.
- Data storage tape cartridge28 May 2020US 2020/0168249 A1International Business Machines Corporation
- Single-reel type tape cartridge4 Mar 2010US 2010/0050413 A1Hitachi Maxell, Ltd.
- Apparatus and Method for Reversing Tapewind Direction13 Nov 2008US 2008/0277518 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Leader block for single reel tape cartridge54US 4,452,406 AInternational Business Machines Corporation · 1984
- Single reel tape cartridge47US 4,426,047 AInternational Business Machines Corporation · 1984
- Means for pulling tape from a reel42US 4,572,460 ADigital Equipment Corporation · 1986
- Single reel tape cartridge with leader block door seal40US 4,383,660 AInternational Business Machines Corporation · 1983
- Magnetic tape cartridge having leader block retainer mechanism37US 5,465,187 AStorage Technology Corporation · 1995