G11B 7/00772
On record carriers storing information in the form of optical interference patterns
Official title: {on record carriers storing information in the form of optical interference patterns, e.g. holograms}
G11B7/00772 (On record carriers storing information in the form of optical interference patterns) appears on 233 US grants and 341 published applications in this corpus.
Search patents in G11B- Granted patents
- 233
- Published applications
- 341
- Assignees
- 82
- Inventors
- 412
- Latest grant
- 24 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 4 |
| 2003 | 2 | 5 |
| 2004 | 4 | 11 |
| 2005 | 3 | 24 |
| 2006 | 14 | 27 |
| 2007 | 10 | 42 |
| 2008 | 12 | 46 |
| 2009 | 21 | 61 |
| 2010 | 34 | 38 |
| 2011 | 42 | 24 |
| 2012 | 25 | 14 |
| 2013 | 12 | 8 |
| 2014 | 15 | 6 |
| 2015 | 12 | 9 |
| 2016 | 5 | 6 |
| 2017 | 6 | 6 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 3 | 3 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Positioning method and device for hologram in disk-type holographic storage24 May 2022US 11,341,996 B2Amethystum Storage Technology Co., Ltd.
- Positioning method and device for hologram in card-type holographic storage medium17 May 2022US 11,335,370 B2Amethystum Storage Technology Co., Ltd.
- Method for determining working gap, and recording device14 Dec 2021US 11,198,312 B2Seiko Epson Corporation
- Optical encoder system and method26 Oct 2021US 11,156,481 B2
- Method for reading and writing with holographic system and holographic storage system24 Aug 2021US 11,100,950 B1National Central University
- Optical track format for holographic storage optical disc and encoding method thereof16 Feb 2023US 2023/0051058 A1Amethystum Storage Technology Co., Ltd.
- Holographic storage optical system and beam calibrating method thereof22 Dec 2022US 2022/0404766 A1Amethystum Storage Technology Co., Ltd.
- Method and device for accurately detecting and controlling position of optical head and optical disk22 Jul 2021US 2021/0225398 A1Amethystum Storage Technology Co., Ltd.
- Positioning method and device for hologram in disk-type holographic storage22 Jul 2021US 2021/0225400 A1Amethystum Storage Technology Co., Ltd.
- Positioning method and device for hologram in card-type holographic storage medium22 Jul 2021US 2021/0225403 A1Amethystum Storage Technology Co., Ltd.
Most cited
By later US patents
- Polytopic multiplex holography112US 7,167,286 B2InPhase Technologies, Inc. · 2007
- Optical information recording method, optical information recording apparatus and optical information recording medium80US 7,626,913 B2Fuji Photo Film Co., Ltd. · 2009
- Phase correlation multiplex holography79US 5,719,691 ALucent Technologies Inc. · 1998
- Position feedback system for volume holographic storage media55US 5,777,760 AQuantum Corporation · 1998
- Apparatus and method for recording and/or playing back optical information and media for it apparatus and method for recording and/or playing back optical information and media for them54US 5,917,798 ASony Corporation · 1999