G11B 2020/1227
One layer of multilayer disc
Official title: {one layer of multilayer disc}
G11B2020/1227 (One layer of multilayer disc) appears on 96 US grants and 119 published applications in this corpus.
Search patents in G11B- Granted patents
- 96
- Published applications
- 119
- Assignees
- 21
- Inventors
- 107
- Latest grant
- 12 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 2 |
| 2003 | 0 | 3 |
| 2004 | 1 | 2 |
| 2005 | 4 | 13 |
| 2006 | 3 | 15 |
| 2007 | 11 | 15 |
| 2008 | 14 | 15 |
| 2009 | 10 | 9 |
| 2010 | 8 | 7 |
| 2011 | 7 | 5 |
| 2012 | 7 | 4 |
| 2013 | 4 | 5 |
| 2014 | 18 | 17 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 2 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
By publication year.
Recent patents
- Optical disc and optical disc device12 May 2020US 10,650,855 B2Mitsubishi Electric Corporation
- Optical disc and optical disc device13 Aug 2019US 10,381,037 B2Mitsubishi Electric Corporation
- Optical disc having a plurality of recording layers9 Apr 2019US 10,255,941 B2Memory-Tech Holdings Inc.
- Optical disc and optical disc device19 Jun 2018US 10,002,634 B2Mitsubishi Electric Corporation
- Optical disc having a plurality of recording layers27 Mar 2018US 9,928,868 B2Memory-Tech Holdings Inc.
- Optical disc and optical disc device24 Oct 2019US 2019/0325909 A1Mitsubishi Electric Corporation
- Optical disc and optical disc device20 Sep 2018US 2018/0268857 A1Mitsubishi Electric Corporation
- Optical disc having a plurality of recording layers21 Jun 2018US 2018/0174607 A1Memory-Tech Holdings Inc.
- Optical disc and optical disc device12 Oct 2017US 2017/0294204 A1Mitsubishi Electric Corporation
- Optical disc22 Dec 2016US 2016/0372148 A1Memory-Tech Holdings Inc.
Most cited
By later US patents
- Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method44US 7,170,841 B2Matsushita Electric Industrial Co., Ltd. · 2007
- Multi-body multi-purpose information processing apparatus34US 6,795,381 B2Kabushiki Kaisha Toshiba · 2004
- Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method31US 7,212,480 B2Matsushita Electric Industrial Co., Ltd. · 2007
- Information recording medium, recording apparatus, recording method and reproduction method utilizing test areas of respective layers provided at different radial positions25US 7,286,455 B2Matsushita Electric Industrial Co., Ltd. · 2007
- Optical information recording medium with sector address information24US 6,894,962 B1Matsushita Electric Industrial Co., Ltd. · 2005