G11B 23/08721
Brakes for tapes or tape reels
Official title: {Brakes for tapes or tape reels}
G11B23/08721 (Brakes for tapes or tape reels) appears on 198 US grants and 24 published applications in this corpus.
Search patents in G11B- Granted patents
- 198
- Published applications
- 24
- Assignees
- 46
- Inventors
- 243
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 12 | 0 |
| 1987 | 11 | 0 |
| 1988 | 9 | 0 |
| 1989 | 11 | 0 |
| 1990 | 10 | 0 |
| 1991 | 14 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 17 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 3 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 7 |
| 2006 | 3 | 2 |
| 2007 | 6 | 2 |
| 2008 | 5 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Tape assemblies having flangeless reel configurations and single flange reel configurations for magnetic recording devices2 Jul 2024US 12,027,181 B2Western Digital Technologies, Inc.
- Embedded tape reel lock mechanism for tape embedded storage drive28 Dec 2021US 11,211,086 B1Western Digital Technologies, Inc.
- Fastening aids, method of fastening reel, and reel assembly20 Dec 2016US 9,524,750 B2FUJIFILM Corporation
- Reel installation method and magazine5 Nov 2013US 8,573,525 B2FUJIFILM Corporation
- Tape reel and information recording apparatus25 Aug 2009US 7,578,464 B2TDK Corporation
- Tape Assemblies Having Flangeless Reel Configurations and Single Flange Reel Configurations For Magnetic Recording Devices30 Nov 2023US 2023/0386517 A1Western Digital Technologies, Inc.
- Fastening aids, method of fastening reel, and reel assembly21 Nov 2013US 2013/0306778 A1FUJIFILM Corporation
- Reel installation method and magazine16 May 2013US 2013/0117984 A1FUJIFILM Corporation
- Tape cartridge29 May 2008US 2008/0121747 A1Hitachi Maxell, Ltd.
- Tape reel and information recording apparatus17 Jan 2008US 2008/0011894 A1TDK Corporation
Most cited
By later US patents
- Programmable limited play video tape cassette36US 5,023,741 APolaroid Corporation · 1991
- Tape cassette35US 4,449,677 ASony Corporation · 1984
- Cassette31US 4,288,048 AU. S. Philips Corporation · 1981
- Tape cassette, tape recording apparatus and tape reproducing apparatus30US 5,852,534 ASony Corporation · 1998
- Limited play tape cassette system28US 4,802,048 A1989