G11B 2020/1239
The track being a pregroove
Official title: {the track being a pregroove, e.g. the wobbled track of a recordable optical disc}
G11B2020/1239 (The track being a pregroove) appears on 259 US grants and 309 published applications in this corpus.
Search patents in G11B- Granted patents
- 259
- Published applications
- 309
- Assignees
- 48
- Inventors
- 238
- Latest grant
- 4 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 4 |
| 2002 | 8 | 13 |
| 2003 | 8 | 25 |
| 2004 | 11 | 20 |
| 2005 | 8 | 22 |
| 2006 | 30 | 32 |
| 2007 | 26 | 71 |
| 2008 | 43 | 59 |
| 2009 | 26 | 26 |
| 2010 | 19 | 9 |
| 2011 | 20 | 9 |
| 2012 | 16 | 6 |
| 2013 | 14 | 8 |
| 2014 | 11 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Shingled magnetic recording storage system4 Aug 2020US 10,734,033 B2Seagate Technology LLC
- Shingled magnetic recording storage system26 Nov 2019US 10,490,227 B2Seagate Technology LLC
- Shingled magnetic recording storage system8 Jan 2019US 10,176,849 B1Seagate Technology LLC
- Information recorder, information reproducer, recording media manufacturing system, and information recording media, method and program16 Dec 2014US 8,913,473 B2Sony Corporation
- Record carrier of the optical type and a device for recording and/or playback for use with such a record carrier29 Jul 2014US 8,792,316 B2Koninklijke Philips N. V.
- Shingled magnetic recording storage system19 Mar 2020US 2020/0090705 A1Seagate Technology LLC
- Shingled magnetic recording storage system4 Apr 2019US 2019/0103138 A1Seagate Technology LLC
- Optical recording device and optical recording method23 Apr 2015US 2015/0109894 A1Taiyo Yuden Co., Ltd.
- Optical disk recording medium, optical disk device, and recording method12 Jun 2014US 2014/0160908 A1Panasonic Corporation
- Information recording medium, and recording method and reproducing method thereof8 May 2014US 2014/0126339 A1JVC KENWOOD Corporation
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
- Optical disk using land and groove tracks60US 5,648,954 AMatsushita Electric Industrial Co., Ltd. · 1997
- Optical recording medium and optical recording/reproducing device, and manufacturing method of optical recording medium48US 5,852,599 ASharp Kabushiki Kaisha · 1998
- Optical disk having wobble patterns41US 6,577,590 B2Matsushita Electric Industrial Co., Ltd. · 2003
- Apparatus for and method of adding information onto recording medium that enables additional recording40US 6,269,059 B1Pioneer Electronic Corporation · 2001