G11B 23/043
Brakes for tapes or tape reels
Official title: {Brakes for tapes or tape reels}
G11B23/043 (Brakes for tapes or tape reels) appears on 130 US grants and 110 published applications in this corpus.
Search patents in G11B- Granted patents
- 130
- Published applications
- 110
- Assignees
- 31
- Inventors
- 142
- Latest grant
- 6 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 3 |
| 2002 | 7 | 16 |
| 2003 | 10 | 7 |
| 2004 | 10 | 15 |
| 2005 | 6 | 31 |
| 2006 | 14 | 8 |
| 2007 | 15 | 8 |
| 2008 | 18 | 6 |
| 2009 | 8 | 2 |
| 2010 | 4 | 4 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Recording tape cartridge6 Dec 2022US 11,521,652 B2FUJIFILM Corporation
- Tape cartridge with reel lock release member having gradually decreasing thickness extension portions22 Mar 2022US 11,282,542 B2Sony Corporation
- Embedded tape reel lock mechanism for tape embedded storage drive28 Dec 2021US 11,211,086 B1Western Digital Technologies, Inc.
- Metallic plate and recording tape cartridge26 Feb 2019US 10,217,484 B2FUJIFILM Corporation
- Release member molding method and recording tape cartridge11 Sep 2018US 10,071,514 B2FUJIFILM Corporation
- Tape cartridge7 Oct 2021US 2021/0312947 A1Sony Corporation
- Recording tape cartridge30 Sep 2021US 2021/0304795 A1FUJIFILM Corporation
- Recording tape cartridge29 Mar 2018US 2018/0090169 A1FUJIFILM Corporation
- Disk drive14 Sep 2017US 2017/0263290 A1Kabushiki Kaisha Toshiba
- Release member molding method and recording tape cartridge24 Mar 2016US 2016/0082632 A1FUJIFILM Corporation
Most cited
By later US patents
- Tape cartridge reel lock47US 5,901,916 AHewlett-Packard Company · 1999
- Reel of magnetic tape cartridge33US 6,568,619 B1Fuji Photo Film Co., Ltd. · 2003
- Tape cartridge reel brake release technique31US 5,366,173 AStorage Technology Corporation · 1994
- Data storage tape cartridge with wear-resistant brake assembly30US 6,452,747 B1Imation Corp. · 2002
- Single reel tape cartridge with locking leader block25US 5,883,771 AHewlett-Packard Company · 1999