G11B 7/1372
Lenses
G11B7/1372 (Lenses) appears on 2,195 US grants and 1,812 published applications in this corpus.
Search patents in G11B- Granted patents
- 2,195
- Published applications
- 1,812
- Assignees
- 319
- Inventors
- 2,241
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 11 | 0 |
| 1987 | 11 | 0 |
| 1988 | 12 | 0 |
| 1989 | 10 | 0 |
| 1990 | 15 | 0 |
| 1991 | 9 | 0 |
| 1992 | 17 | 0 |
| 1993 | 21 | 0 |
| 1994 | 12 | 0 |
| 1995 | 15 | 0 |
| 1996 | 30 | 0 |
| 1997 | 54 | 0 |
| 1998 | 99 | 0 |
| 1999 | 92 | 0 |
| 2000 | 119 | 0 |
| 2001 | 115 | 60 |
| 2002 | 110 | 149 |
| 2003 | 99 | 142 |
| 2004 | 129 | 174 |
| 2005 | 93 | 199 |
| 2006 | 130 | 189 |
| 2007 | 134 | 154 |
| 2008 | 128 | 177 |
| 2009 | 93 | 159 |
| 2010 | 145 | 111 |
| 2011 | 148 | 82 |
| 2012 | 119 | 86 |
| 2013 | 91 | 52 |
| 2014 | 37 | 25 |
| 2015 | 21 | 9 |
| 2016 | 12 | 14 |
| 2017 | 13 | 7 |
| 2018 | 6 | 5 |
| 2019 | 3 | 4 |
| 2020 | 5 | 3 |
| 2021 | 4 | 5 |
| 2022 | 5 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 2 |
| 2025 | 3 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G11B 7/1374Objective lenses1,208
- G11B 2007/13727Compound lenses, i.e. two or more lenses co-operating to perform a functionIndexing code643
- G11B 7/1378Separate aberration correction lenses534
- G11B 7/1376Collimator lenses249
- G11B 2007/13725Catadioptric lenses, i.e. having at least one internal reflective surfaceIndexing code43
- G11B 2007/13722Fresnel lensesIndexing code18
Recent patents
- Reading voxels in an optical storage medium using off-axis lighting28 Jul 2026US 12,694,901 B1Microsoft Technology Licensing, LLC
- Lens structure and light source device having lens with half-mirror, and light receiver2 Dec 2025US 12,486,975 B2Alps Alpine Co., Ltd.
- Differential phase voxel symbol determination2 Sep 2025US 12,406,695 B1Microsoft Technology Licensing, LLC
- High-speed reading by combining transmissive wide angle view with reflective focus view14 Jan 2025US 12,197,995 B2Ceramic Data Solutions GmbH
- Beam balancer for optical data writing15 Oct 2024US 12,119,033 B1Microsoft Technology Licensing, LLC
- Compact Writing and Reading Head for Hyper Speed Data Recording on Ceramic Material28 May 2026US 2026/0148751 A1Ceramic Data Solutions GmbH
- High-Speed Reading by Combining Transmissive Wide Angle View with Reflective Focus View18 Jul 2024US 2024/0242044 A1Ceramic Data Solutions GmbH
- Lens barrel-equipped lens and light source device4 Jul 2024US 2024/0219014 A1Alps Alpine Co., Ltd.
- Data read/write apparatus and electronic device13 Jul 2023US 2023/0223046 A1Huawei Technologies Co., Ltd.
- Optical system for holographic storage and design method for fresnel lens and meta lens thereof16 Feb 2023US 2023/0047873 A1Amethystum Storage Technology Co., Ltd.
Most cited
By later US patents
- Method and apparatus for coupling an optical lens to a disk through a coupling medium having a relatively high index of refraction495US 6,236,634 B1Digital Papyrus Corporation · 2001
- Method and apparatus for storage and retrieval with multilayer optical disks276US 5,526,338 AYeda Research and Development Co. Ltd. · 1996
- Optical signal transmission apparatus218US 6,147,953 ADuncan Technologies, Inc. · 2000
- Optical recording system employing a solid immersion lens193US 5,125,750 AThe Board of Trustees of the Leland Stanford Junior University · 1992
- High numerical aperture optical focusing device having a conical incident facet and a parabolic reflector for use in data storage systems185US 6,377,535 B1Read-Rite Corporation · 2002