G11B 2220/2504
Holographic discs
Official title: Holographic discs; Holographic digital data storage [HDDS]
G11B2220/2504 (Holographic discs) appears on 66 US grants and 82 published applications in this corpus.
Search patents in G11B- Granted patents
- 66
- Published applications
- 82
- Assignees
- 35
- Inventors
- 127
- Latest grant
- 21 Nov 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 8 |
| 2008 | 1 | 13 |
| 2009 | 5 | 18 |
| 2010 | 12 | 16 |
| 2011 | 11 | 6 |
| 2012 | 13 | 4 |
| 2013 | 7 | 4 |
| 2014 | 8 | 3 |
| 2015 | 4 | 3 |
| 2016 | 3 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Light information device and light information processing method21 Nov 2017US 9,824,713 B2Hitachi Consumer Electronics Co., Ltd.
- Optical information recording/reproduction device, and optical information recording/reproduction method2 Aug 2016US 9,406,344 B2Hitachi Consumer Electronics Co., Ltd.
- Method for decoding under optical and electronic noise19 Apr 2016US 9,318,145 B2General Electric Company
- Apparatus and method for irradiating a medium5 Apr 2016US 9,304,490 B2Canon Kabushiki Kaisha
- Data protection system11 Aug 2015US 9,105,307 B2Akonia Holographics LLC
- Data protection system11 Jan 2018US 2018/0011647 A1
- Light Information Device and Light Information Processing Method29 Jun 2017US 2017/0186461 A1Hitachi Consumer Elecontrics Co., Ltd.
- Data protection system12 Nov 2015US 2015/0324141 A1Akonia Holographics LLC
- Data protection system28 May 2015US 2015/0149868 A1Akonia Holographics LLC
- Optical information recording/reproduction device, and optical information recording/reproduction method8 Jan 2015US 2015/0009788 A1Hitachi Consumer Electronics Co., Ltd.
Most cited
By later US patents
- Apparatus and method for irradiating a medium29US 9,304,490 B2Canon Kabushiki Kaisha · 2016
- Holographic storage of digital data24US 5,812,288 ALucent Technologies Inc. · 1998
- Data protection system20US 7,739,577 B2InPhase Technologies, Inc. · 2010
- Low-density parity-check decoder apparatus20US 7,827,461 B1Marvell International Ltd. · 2010
- Data protection system18US 7,774,681 B2InPhase Technologies, Inc. · 2010