G11B 15/444
Reversing arrangements
Official title: {reversing arrangements (G11B15/442 takes precedence)}
G11B15/444 (Reversing arrangements) appears on 109 US grants and 18 published applications in this corpus.
Search patents in G11B- Granted patents
- 109
- Published applications
- 18
- Assignees
- 47
- Inventors
- 167
- Latest grant
- 19 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 3 | 2 |
| 2006 | 1 | 2 |
| 2007 | 2 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Magnetic tape device, magnetic recording device, and tape lifting method for magnetic tape device19 Jul 2022US 11,393,504 B2NEC Platforms, Ltd.
- Rewinding a tape medium3 Dec 2019US 10,497,391 B1International Business Machines Corporation
- Avoiding debris accumulation on tape drive3 Apr 2018US 9,934,816 B1International Business Machines Corporation
- Apparatus and method for controlling transportation of tape medium9 May 2017US 9,646,644 B2International Business Machines Corporation
- Apparatus and method for controlling transportation of tape medium2 Feb 2016US 9,251,838 B2International Business Machines Corporation
- Magnetic tape device, magnetic recording device, and tape lifting method for magnetic tape device25 Nov 2021US 2021/0366516 A1NEC Platforms, Ltd.
- Transducer array to write data to tape11 Aug 2016US 2016/0232936 A1Hewlett-Packard Development Company, L. P.
- Apparatus and method for controlling transportation of tape medium14 Apr 2016US 2016/0104506 A1International Business Machines Corporation
- Apparatus and method for controlling transportation of tape medium26 Nov 2015US 2015/0340056 A1International Business Machines Corporation
- Apparatus and method for controlling transportation of tape medium7 May 2015US 2015/0124349 A1International Business Machines Corporation
Most cited
By later US patents
- Method and apparatus for generating, storing, reproducing, and displaying image information30US 5,177,645 A1993
- Operation of tape drives24US 8,917,476 B2Hewlett-Packard Development Company, L. P. · 2014
- Rotary driving mechanism18US 4,760,751 AVictor Company of Japan, Ltd. · 1988
- Magnetic head system for tape player16US 4,510,543 APioneer Electronic Corporation · 1985
- Jog device for magnetic recording and reproducing apparatus16US 5,501,408 AGoldstar Co., Ltd. · 1996