G11B 23/08735
Covers
Official title: {Covers}
G11B23/08735 (Covers) appears on 321 US grants and 29 published applications in this corpus.
Search patents in G11B- Granted patents
- 321
- Published applications
- 29
- Assignees
- 45
- Inventors
- 316
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 9 | 0 |
| 1986 | 14 | 0 |
| 1987 | 19 | 0 |
| 1988 | 25 | 0 |
| 1989 | 19 | 0 |
| 1990 | 16 | 0 |
| 1991 | 14 | 0 |
| 1992 | 17 | 0 |
| 1993 | 18 | 0 |
| 1994 | 19 | 0 |
| 1995 | 19 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 1 |
| 2002 | 12 | 12 |
| 2003 | 7 | 3 |
| 2004 | 7 | 3 |
| 2005 | 3 | 0 |
| 2006 | 2 | 7 |
| 2007 | 3 | 2 |
| 2008 | 5 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
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.
- Tape cartridge7 Oct 2008US 7,431,233 B2Hitachi Maxell, Ltd.
- Magnetic tape cassettes and processes for producing them16 Sep 2008US 7,426,094 B2FUJIFILM Corporation
- Magnetic tape cassettes and processes for producing them2 Sep 2008US 7,419,115 B2FUJIFILM Corporation
- Information medium15 Apr 2008US 7,357,344 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.
- Information medium18 Oct 2007US 2007/0241222 A1TDK Corporation
- Information recording medium9 Aug 2007US 2007/0183094 A1TDK Corporation
- Tape cartridge12 Oct 2006US 2006/0226272 A1Hitachi Maxell, Ltd.
- Magnetic tape cassettes and processes for producing them28 Sep 2006US 2006/0213046 A1Fuji Photo Film Co., Ltd.
Most cited
By later US patents
- Data storage cassette and data recording and reproducing device86US 6,227,477 B1Aiwa Co., Ltd. · 2001
- Tape cassette40US 3,980,255 ASony Corporation · 1976
- Magnetic tape cassette40US 4,572,461 ASony Corporation · 1986
- Tape cassette37US 4,418,373 ASony Corporation · 1983
- Tape cassette35US 4,449,677 ASony Corporation · 1984