G11B 7/13
Optical detectors therefor
G11B7/13 (Optical detectors therefor) appears on 1,385 US grants and 886 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,385
- Published applications
- 886
- Assignees
- 230
- Inventors
- 1,746
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 7 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 9 | 0 |
| 1987 | 11 | 0 |
| 1988 | 10 | 0 |
| 1989 | 28 | 0 |
| 1990 | 19 | 0 |
| 1991 | 20 | 0 |
| 1992 | 34 | 0 |
| 1993 | 37 | 0 |
| 1994 | 29 | 0 |
| 1995 | 47 | 0 |
| 1996 | 57 | 0 |
| 1997 | 58 | 0 |
| 1998 | 72 | 0 |
| 1999 | 46 | 0 |
| 2000 | 53 | 0 |
| 2001 | 59 | 44 |
| 2002 | 67 | 102 |
| 2003 | 59 | 68 |
| 2004 | 48 | 71 |
| 2005 | 59 | 79 |
| 2006 | 80 | 78 |
| 2007 | 56 | 75 |
| 2008 | 52 | 86 |
| 2009 | 37 | 67 |
| 2010 | 53 | 53 |
| 2011 | 71 | 27 |
| 2012 | 49 | 32 |
| 2013 | 36 | 22 |
| 2014 | 29 | 24 |
| 2015 | 6 | 6 |
| 2016 | 5 | 15 |
| 2017 | 12 | 14 |
| 2018 | 13 | 8 |
| 2019 | 9 | 8 |
| 2020 | 4 | 3 |
| 2021 | 2 | 3 |
| 2022 | 4 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Differential phase voxel symbol determination2 Sep 2025US 12,406,695 B1Microsoft Technology Licensing, LLC
- Multidimensional optical storage media having light confinement layers and reading methodology therefor12 Aug 2025US 12,387,753 B1Seagate Technology LLC
- Object tracking system including polarization selective optical element9 Jan 2024US 11,869,560 B2Meta Platforms Technologies, LLC
- Reproduction apparatus and reproduction method17 May 2022US 11,335,371 B2Sony Semiconductor Solutions Corporation
- Optical disk reproducing device17 May 2022US 11,335,372 B2Panasonic Intellectual Property Management Co., Ltd.
- Object tracking system including polarization selective optical element25 Aug 2022US 2022/0270645 A1Facebook Technologies, LLC
- Reproduction apparatus and reproduction method16 Dec 2021US 2021/0390981 A1Sony Semiconductor Solutions Corporation
- Optical disk reproducing device21 Oct 2021US 2021/0327465 A1Panasonic Intellectual Property Management Co., Ltd.
- Holographic storage device and method for simultaneously recording and reading on two sides22 Jul 2021US 2021/0225399 A1Amethystum Storage Technology Co., Ltd.
- Optical encoder system and method19 Nov 2020US 2020/0363240 A1
Most cited
By later US patents
- Information retrieval system and apparatus251US 4,536,866 AVideonics of Hawaii, Inc. · 1985
- Signal reproducing apparatus for optical recording and reproducing equipment with compensation of crosstalk from nearby tracks and method for the same210US 5,181,161 ANEC Corporation · 1993
- System and method for imprinting and reading a sound message on a greeting card126US 6,441,921 B1Eastman Kodak Company · 2002
- System and process for non-perceptibly integrating sound data into a printed image122US 6,094,279 AEastman Kodak Company · 2000
- Optical recording and reproducing apparatus and method114US 6,084,843 ASony Corporation · 2000