G11B 9/07
Heads for reproducing capacitive information
G11B9/07 (Heads for reproducing capacitive information) appears on 74 US grants and 9 published applications in this corpus.
Search patents in G11B- Granted patents
- 74
- Published applications
- 9
- Assignees
- 13
- Inventors
- 86
- Latest grant
- 20 Jul 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 15 | 0 |
| 1983 | 12 | 0 |
| 1984 | 12 | 0 |
| 1985 | 9 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 4 |
| 2007 | 3 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Data recording system and method for using same20 Jul 2010US 7,759,673 B2Commissariat A L' Energie Atomique
- Reducing variations in density of perturbations on a storage medium28 Oct 2008US 7,443,781 B2Hewlett-Packard Development Company, L. P.
- Pickup device22 May 2007US 7,221,639 B2Pioneer Corporation
- Method and device enabling capacitive probe-based data storage readout1 May 2007US 7,212,488 B2Hewlett-Packard Development Company, L. P.
- Hard disk device27 Feb 2007US 7,184,240 B2Funai Electric Co., Ltd.
- Probe, Recording Apparatus, Reproducing Apparatus, And Recording/Reproducing Apparatus1 Jan 2009US 2009/0003186 A1
- Data Recording System And Method For Using Same29 Nov 2007US 2007/0274192 A1Commissariat A L' Energie Atomique
- Recording/reproduction head and recording/reproduction device18 Jan 2007US 2007/0014047 A1
- Method and device enabling capacitive probe-based data storage readout5 Oct 2006US 2006/0219905 A1Hewlett-Packard Development Company, L. P.
- Hard disk device2 Feb 2006US 2006/0023330 A1Funai Electric Co., Ltd.
Most cited
By later US patents
- High density recording system using side-by-side information and servo tracks35US 4,315,283 AVictor Company of Japan, Ltd. · 1982
- Capacitive sensing employing thin film inductors32US 4,648,087 AInternational Business Machines Corporation · 1987
- Disc record groove skipper25US 3,993,863 ARCA Corporation · 1976
- Keel-tipped stylus, and method and device for making keel-tipped stylus24US 4,450,551 ASanyo Electric Co., Ltd. · 1984
- Capacitive playback stylus22US 4,439,855 ARCA Corporation · 1984