G11B 7/24088
For storing more than two values, i.e. multi-valued recording for data or
Official title: for storing more than two values, i.e. multi-valued recording for data or prepits
G11B7/24088 (For storing more than two values, i.e. multi-valued recording for data or) appears on 164 US grants and 163 published applications in this corpus.
Search patents in G11B- Granted patents
- 164
- Published applications
- 163
- Assignees
- 68
- Inventors
- 328
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 4 |
| 2002 | 1 | 10 |
| 2003 | 3 | 9 |
| 2004 | 10 | 20 |
| 2005 | 10 | 23 |
| 2006 | 17 | 25 |
| 2007 | 17 | 22 |
| 2008 | 19 | 14 |
| 2009 | 11 | 11 |
| 2010 | 16 | 4 |
| 2011 | 9 | 3 |
| 2012 | 3 | 1 |
| 2013 | 5 | 3 |
| 2014 | 3 | 4 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 2 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
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- Recording apparatus, recording method, reproduction apparatus, reproduction method, recording medium, encoding apparatus, and decoding apparatus6 Dec 2022US 11,521,651 B2Sony Corporation
- Information recording device, information playback device, information recording medium and method for multi-values recording optical disc7 Jun 2022US 11,355,149 B2Sony Corporation
- Electric field storage device21 Aug 2018US 10,056,146 B2Seagate Technology LLC
- Optical disk device and large-scale optical disk device22 May 2018US 9,978,421 B1Panasonic Intellectual Property Management Co., Ltd.
- Phase-modulated optical data storage13 Mar 2025US 2025/0087240 A1Microsoft Technology Licensing, LLC
- Recording medium, method for recording information, and method for reading information13 Feb 2025US 2025/0054515 A1Panasonic Intellectual Property Management Co., Ltd.
- Recording medium, method for recording information, and method for reading information6 Feb 2025US 2025/0046341 A1Panasonic Intellectual Property Management Co., Ltd.
- Phase-modulated optical data storage3 Oct 2024US 2024/0331730 A1Microsoft Technology Licensing, LLC
- Recording apparatus, recording method, reproduction apparatus, reproduction method, recording medium, encoding apparatus, and decoding apparatus9 Dec 2021US 2021/0383835 A1Sony Corporation
Most cited
By later US patents
- Optical recording medium, reproducing system, method of reproducing optical disk, method of fabricating optical disk original record, and method of stopping illegal program operation71US 5,807,640 AMatsushita Electric Industrial Co., Ltd. · 1998
- Differential interferometric scanning near-field confocal microscopy58US 6,775,009 B2Zetetic Institute · 2004
- Information recording apparatus and process for recording on a recording medium with pit edges shifted in a step-wise fashion37US 5,615,193 ASony Corporation · 1997
- Optical recording method and apparatus utilizing polymeric birefringent materials29US 4,551,819 AUniversity of Utah · 1985
- Creation of synchronization marks in multilevel optical data storage27US 6,816,447 B1LSI Logic Corporation · 2004