G11B 2020/1229
Lead-in area
Official title: {lead-in area}
G11B2020/1229 (Lead-in area) appears on 162 US grants and 186 published applications in this corpus.
Search patents in G11B- Granted patents
- 162
- Published applications
- 186
- Assignees
- 41
- Inventors
- 179
- Latest grant
- 20 Aug 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 17 |
| 2003 | 4 | 9 |
| 2004 | 16 | 15 |
| 2005 | 5 | 26 |
| 2006 | 11 | 18 |
| 2007 | 14 | 46 |
| 2008 | 19 | 32 |
| 2009 | 24 | 7 |
| 2010 | 22 | 4 |
| 2011 | 8 | 3 |
| 2012 | 12 | 1 |
| 2013 | 5 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 1 |
| 2018 | 3 | 1 |
| 2019 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for determining read-head deviation using orthogonal preambles20 Aug 2019US 10,388,313 B2Marvell World Trade Ltd.
- Method and apparatus for determining read-head deviation using orthogonal preambles4 Dec 2018US 10,147,450 B2Marvell World Trade Ltd.
- Optical disk, optical disk recording method, optical disk recording device, and integrated circuit19 Jun 2018US 10,002,633 B2Panasonic Intellectual Property Management Co., Ltd.
- Method and apparatus for determining read-head deviation using orthogonal preambles23 Jan 2018US 9,875,762 B2Marvell World Trade Ltd.
- Data storage device employing different frequency preambles in adjacent data tracks6 Sep 2016US 9,437,242 B1Western Digital Technologies, Inc.
- Method and apparatus for determining read-head deviation using orthogonal preambles28 Feb 2019US 2019/0066721 A1Marvell World Trade Ltd.
- Method and apparatus for determining read-head deviation using orthogonal preambles3 May 2018US 2018/0122413 A1Marvell World Trade Ltd.
- Optical disk, optical disk recording method, optical disk recording device, and integrated circuit13 Apr 2017US 2017/0103780 A1Panasonic Intellectual Property Management Co., Ltd.
- Method and apparatus for determining read-head deviation using orthogonal preambles10 Nov 2016US 2016/0329070 A1Marvell World Trade Ltd.
- Method and apparatus for determining read-head deviation using orthogonal preambles14 Jan 2016US 2016/0012842 A1Marvell World Trade Ltd.
Most cited
By later US patents
- Optical recording medium, data recording method for rewritable-type phase change type optical disc, data erase method for rewritable compact disc, data erase method for rewritable phase change type recording medium, read only data erase method, and recording/readout apparatus121US 6,671,249 B2Mitsubishi Chemical Corporation · 2003
- Information recording medium capable of defect management, information recording apparatus capable of defect management, and information playback apparatus for playing back information from defect-managed medium76US 7,002,882 B2Kabushiki Kaisha Toshiba · 2006
- Optical disk having read-only and rewritable areas with overlapping formats63US 6,078,559 AMatsushita Electric Industrial Co., Ltd. · 2000
- Optical recording medium having recording capacity information and method for indicating recording capacity62US 6,788,631 B1LC Electronics Inc. · 2004
- Information record medium, apparatus for recording the same and apparatus for reproducing the same43US 6,236,804 B1Pioneer Electronic Corporation · 2001