G11B 15/6656
Using two-sided extraction, i.e. "m-type"
Official title: {using two-sided extraction, i.e. "M-type"}
G11B15/6656 (Using two-sided extraction, i.e. "m-type") appears on 396 US grants and 81 published applications in this corpus.
Search patents in G11B- Granted patents
- 396
- Published applications
- 81
- Assignees
- 66
- Inventors
- 478
- Latest grant
- 19 Apr 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 12 | 0 |
| 1987 | 18 | 0 |
| 1988 | 19 | 0 |
| 1989 | 12 | 0 |
| 1990 | 22 | 0 |
| 1991 | 25 | 0 |
| 1992 | 17 | 0 |
| 1993 | 14 | 0 |
| 1994 | 21 | 0 |
| 1995 | 14 | 0 |
| 1996 | 13 | 0 |
| 1997 | 24 | 0 |
| 1998 | 21 | 0 |
| 1999 | 17 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 3 |
| 2002 | 10 | 11 |
| 2003 | 4 | 16 |
| 2004 | 13 | 24 |
| 2005 | 7 | 8 |
| 2006 | 11 | 12 |
| 2007 | 21 | 3 |
| 2008 | 9 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Magnetic tape recording/reproducing apparatus19 Apr 2011US 7,929,244 B2Mitsumi Electric Co., Ltd.
- Cartridge holder apparatus and magnetic recording/reproduction apparatus including same17 Aug 2010US 7,777,984 B2Mitsumi Electric Co., Ltd.
- Tape deployment systems and methods of deploying tape in digital data transfer apparatus10 Mar 2009US 7,502,198 B2Hewlett-Packard Development Company, L. P.
- Pole base loading apparatus and main chassis for magnetic recording/reading device14 Oct 2008US 7,436,624 B2Samsung Electronics Co., Ltd.
- Method of locking tape cassette housing of tape recorder23 Sep 2008US 7,428,121 B2Samsung Electronics Co., Ltd.
- Magnetic tape apparatus using perpendicular magnetic recording24 Sep 2009US 2009/0237833 A1TDK Corporation
- Media preservation for information transducing drive1 Jan 2009US 2009/0002877 A1Tandberg Data Corporation
- Magnetic recording/reproducing apparatus13 Nov 2008US 2008/0278845 A1Mitsumi Electric Co., Ltd.
- Magnetic recording/reproducing apparatus28 Aug 2008US 2008/0204927 A1Matsushita Electric Industrial Co., Ltd.
- Magnetic tape recording/reproducing apparatus6 Dec 2007US 2007/0279798 A1Mitsumi Electric Co., Ltd.
Most cited
By later US patents
- Single deck dual tape path VCR system150US 5,479,302 A1995
- Error prevention in a recording and reproducing device with at least one rotating head60US 5,067,035 AKudelski SA fabrique de'enregistreurs Nagra · 1991
- Video replay automation with manual control track editing37US 6,236,801 B1Thomson Licensing · 2001
- Magnetic recording/reproducing apparatus36US 6,449,118 B1Samsung Electronics Co., Ltd. · 2002
- Capstanless helical drive system29US 5,602,694 AExabyte Corporation · 1997