G11B 7/00781
Auxiliary information
Official title: {Auxiliary information, e.g. index marks, address marks, pre-pits, gray codes}
G11B7/00781 (Auxiliary information) appears on 138 US grants and 201 published applications in this corpus.
Search patents in G11B- Granted patents
- 138
- Published applications
- 201
- Assignees
- 55
- Inventors
- 274
- Latest grant
- 24 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 7 |
| 2005 | 0 | 16 |
| 2006 | 10 | 20 |
| 2007 | 5 | 25 |
| 2008 | 10 | 25 |
| 2009 | 12 | 44 |
| 2010 | 26 | 17 |
| 2011 | 24 | 16 |
| 2012 | 16 | 7 |
| 2013 | 7 | 3 |
| 2014 | 8 | 1 |
| 2015 | 4 | 5 |
| 2016 | 4 | 2 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 3 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
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-information recording/reproducing apparatus and optical-information recording/reproducing method10 Oct 2017US 9,786,313 B2Hiatchi-LG Data Storage, Inc.
- Recording/reproducing apparatus and recording medium28 Mar 2017US 9,607,648 B2Hitachi Consumer Electronics Co., Ltd.
- 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
- Optical information recording method, optical information recording apparatus and optical information recording medium80US 7,626,913 B2Fuji Photo Film Co., Ltd. · 2009
- 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
- Optical data storage system with focus and tracking error correction34US 6,738,322 B2Research Investment Network, Inc. · 2004
- Data storage devices and methods27US 7,388,695 B2General Electric Company · 2008