G11B 7/135
Means for guiding the beam from the source to the record carrier
Official title: Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
G11B7/135 (Means for guiding the beam from the source to the record carrier) appears on 5,319 US grants and 4,204 published applications in this corpus.
Search patents in G11B- Granted patents
- 5,319
- Published applications
- 4,204
- Assignees
- 607
- Inventors
- 4,823
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 20 | 0 |
| 1985 | 17 | 0 |
| 1986 | 21 | 0 |
| 1987 | 39 | 0 |
| 1988 | 48 | 0 |
| 1989 | 55 | 0 |
| 1990 | 47 | 0 |
| 1991 | 55 | 0 |
| 1992 | 94 | 0 |
| 1993 | 92 | 0 |
| 1994 | 77 | 0 |
| 1995 | 91 | 0 |
| 1996 | 121 | 0 |
| 1997 | 165 | 0 |
| 1998 | 228 | 0 |
| 1999 | 189 | 0 |
| 2000 | 233 | 0 |
| 2001 | 212 | 146 |
| 2002 | 231 | 315 |
| 2003 | 219 | 296 |
| 2004 | 245 | 341 |
| 2005 | 215 | 442 |
| 2006 | 296 | 448 |
| 2007 | 261 | 374 |
| 2008 | 261 | 452 |
| 2009 | 223 | 374 |
| 2010 | 331 | 295 |
| 2011 | 352 | 181 |
| 2012 | 272 | 159 |
| 2013 | 186 | 98 |
| 2014 | 89 | 79 |
| 2015 | 63 | 44 |
| 2016 | 43 | 40 |
| 2017 | 41 | 24 |
| 2018 | 33 | 21 |
| 2019 | 15 | 14 |
| 2020 | 17 | 9 |
| 2021 | 10 | 14 |
| 2022 | 20 | 8 |
| 2023 | 7 | 15 |
| 2024 | 18 | 11 |
| 2025 | 14 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G11B 7/1372Lenses2,195
- G11B 7/1353Diffractive elements1,783
- G11B 7/1392Means for controlling the beam wavefront1,303
- G11B 7/1365Separate or integrated refractive elements1,104
- G11B 7/1381Non-lens elements for altering the properties of the beam765
- G11B 7/1356Double or multiple prisms, i.e. having two or more prisms in cooperation638
- G11B 7/1387Using the near-field effect542
- G11B 7/1362Mirrors539
Recent patents
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- NFT back reflection monitor for heat-assisted magnetic recording head21 Apr 2026US 12,609,137 B1Seagate Technology LLC
- Information verification method and related device9 Dec 2025US 12,494,226 B1Huawei Technologies Co., Ltd.
- Lens structure and light source device having lens with half-mirror, and light receiver2 Dec 2025US 12,486,975 B2Alps Alpine Co., Ltd.
- Achromatic holographic phase masks2 Sep 2025US 12,405,482 B2Ipg Photonics Corporation
- Compact Writing and Reading Head for Hyper Speed Data Recording on Ceramic Material28 May 2026US 2026/0148751 A1Ceramic Data Solutions GmbH
- Achromatic holographic phase marks18 Dec 2025US 2025/0383554 A1Ipg Photonics Corporation
- Waveguide network21 Aug 2025US 2025/0264664 A1Microsoft Technology Licensing, LLC
- Despeckling method and apparatus8 May 2025US 2025/0147333 A1Microsoft Technology Licensing, LLC
- Method and system for writing voxels to a transparent substrate3 Oct 2024US 2024/0331731 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
- Methods and apparatus for forward-directed optical scanning instruments1,184US 6,485,413 B1The General Hospital Corporation · 2002
- Fiber optic needle probes for optical coherence tomography imaging722US 6,564,087 B1Massachusetts Institute of Technology · 2003
- Grating based phase control optical delay line535US 6,111,645 AMassachusetts Institute of Technology · 2000
- 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
- Interferometeric imaging with a grating based phase control optical delay line475US 6,421,164 B2Massachusetts Institute of Technology · 2002