G11B 9/1481
Auxiliary features
Official title: {Auxiliary features, e.g. reference or indexing surfaces}
G11B9/1481 (Auxiliary features) appears on 49 US grants and 37 published applications in this corpus.
Search patents in G11B- Granted patents
- 49
- Published applications
- 37
- Assignees
- 20
- Inventors
- 108
- Latest grant
- 23 Apr 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 5 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 3 | 13 |
| 2009 | 2 | 4 |
| 2010 | 4 | 6 |
| 2011 | 10 | 1 |
| 2012 | 3 | 0 |
| 2013 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Memory device23 Apr 2013US 8,427,930 B1Kabushiki Kaisha Toshiba
- Information recording and reproducing device18 Sep 2012US 8,269,205 B2Kabushiki Kaisha Toshiba
- Information recording/reproducing device29 May 2012US 8,188,455 B2Kabushiki Kaisha Toshiba
- Data storage medium and method for scanning a storage medium15 May 2012US 8,179,772 B2Nokia Corporation
- Data storage apparatus, assembling method thereof and apparatus for generating tracking position error signal15 Nov 2011US 8,059,518 B2LG Electronics Inc.
- Information recording and reproducing device10 Feb 2011US 2011/0031459 A1Kabushiki Kaisha Toshiba
- Data storage medium and method for scanning a storage medium22 Jul 2010US 2010/0182892 A1Nokia Corporation
- Information recording/reproducing device10 Jun 2010US 2010/0142091 A1Kabushiki Kaisha Toshiba
- Information recording/reproducing device27 May 2010US 2010/0127235 A1Kabushiki Kaisha Toshiba
- Information recording/reproducing apparatus and method21 Jan 2010US 2010/0014412 A1Pioneer Corporation
Most cited
By later US patents
- Recording medium and information-erasing method81US 5,389,475 ACanon Kabushiki Kaisha · 1995
- Two scanning probes information recording/reproducing system with one probe to detect atomic reference location on a recording medium66US 5,721,721 ACanon Kabushiki Kaisha · 1998
- Information recording/reproducing method for recording and/or reproducing information on information recording carrier by use of probe electrode58US 5,610,898 ACanon Kabushiki Kaisha · 1997
- Information recording/reproducing method, recording carrier and apparatus for recording and/or reproducing information on information recording carrier by use of probe electrode51US 5,461,605 ACanon Kabushiki Kaisha · 1995
- Encoder for controlling measurements in the range of a few angstroms47US 5,519,686 ACanon Kabushiki Kaisha · 1996