G11B 7/1374
Objective lenses
Official title: Objective lenses {(optical objectives per se G02B9/00)}
G11B7/1374 (Objective lenses) appears on 1,208 US grants and 1,091 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,208
- Published applications
- 1,091
- Assignees
- 212
- Inventors
- 1,365
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 17 | 0 |
| 1998 | 41 | 0 |
| 1999 | 49 | 0 |
| 2000 | 56 | 0 |
| 2001 | 62 | 36 |
| 2002 | 66 | 82 |
| 2003 | 59 | 96 |
| 2004 | 85 | 114 |
| 2005 | 53 | 110 |
| 2006 | 76 | 110 |
| 2007 | 84 | 83 |
| 2008 | 71 | 102 |
| 2009 | 52 | 81 |
| 2010 | 79 | 71 |
| 2011 | 89 | 65 |
| 2012 | 78 | 63 |
| 2013 | 61 | 29 |
| 2014 | 22 | 17 |
| 2015 | 15 | 8 |
| 2016 | 6 | 8 |
| 2017 | 6 | 3 |
| 2018 | 4 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 4 |
| 2022 | 3 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reading voxels in an optical storage medium using off-axis lighting28 Jul 2026US 12,694,901 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
- Objective lens, optical head device, optical information device, and optical disk system18 Oct 2022US 11,475,917 B2Panasonic Intellectual Property Management Co., Ltd.
- Objective lens, optical head device, optical information device, and optical disk system30 Aug 2022US 11,430,479 B2Panasonic Intellectual Property Management Co., Ltd.
- 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
- 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.
- Optical disk reproducing device21 Oct 2021US 2021/0327465 A1Panasonic Intellectual Property Management 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 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
- High numerical aperture optical focusing device for use in data storage systems179US 6,185,051 B2Read-Rite Corporation · 2001