G02B 27/14
Operating by reflection only
Official title: operating by reflection only
G02B27/14 (Operating by reflection only) appears on 4,490 US grants and 4,509 published applications in this corpus.
Search patents in G02B- Granted patents
- 4,490
- Published applications
- 4,509
- Assignees
- 1,597
- Inventors
- 7,326
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 10 | 0 |
| 1978 | 14 | 0 |
| 1979 | 14 | 0 |
| 1980 | 4 | 0 |
| 1981 | 12 | 0 |
| 1982 | 7 | 0 |
| 1983 | 11 | 0 |
| 1984 | 9 | 0 |
| 1985 | 13 | 0 |
| 1986 | 9 | 0 |
| 1987 | 25 | 0 |
| 1988 | 14 | 0 |
| 1989 | 22 | 0 |
| 1990 | 28 | 0 |
| 1991 | 25 | 0 |
| 1992 | 24 | 0 |
| 1993 | 31 | 0 |
| 1994 | 20 | 0 |
| 1995 | 27 | 0 |
| 1996 | 29 | 0 |
| 1997 | 44 | 0 |
| 1998 | 62 | 0 |
| 1999 | 64 | 0 |
| 2000 | 72 | 0 |
| 2001 | 90 | 16 |
| 2002 | 71 | 96 |
| 2003 | 84 | 88 |
| 2004 | 77 | 127 |
| 2005 | 64 | 127 |
| 2006 | 114 | 131 |
| 2007 | 90 | 124 |
| 2008 | 88 | 93 |
| 2009 | 74 | 123 |
| 2010 | 88 | 127 |
| 2011 | 93 | 108 |
| 2012 | 91 | 110 |
| 2013 | 91 | 128 |
| 2014 | 122 | 137 |
| 2015 | 112 | 183 |
| 2016 | 143 | 244 |
| 2017 | 221 | 295 |
| 2018 | 267 | 282 |
| 2019 | 290 | 327 |
| 2020 | 285 | 294 |
| 2021 | 249 | 330 |
| 2022 | 294 | 313 |
| 2023 | 276 | 234 |
| 2024 | 222 | 191 |
| 2025 | 186 | 169 |
| 2026 | 105 | 112 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 27/145Having sequential partially reflecting surfaces1,342
- G02B 27/141Using dichroic mirrors1,339
- G02B 27/144Using partially transparent surfaces without spectral selectivity1,074
- G02B 27/149Using crossed beamsplitting surfaces625
- G02B 27/143Using macroscopically faceted or segmented reflective surfaces522
- G02B 27/142Coating structures281
- G02B 27/148Including stacked surfaces having at least one double-pass partially reflecting surface194
- G02B 27/147Using averaging effects by spatially variable reflectivity on a microscopic level58
Recent patents
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- Beam splitter/combiner and projection apparatus29 Sep 2026US 12,748,314 B2Coretronic Corporation
- Interactive object systems and methods15 Sep 2026US 12,734,455 B2Universal City Studios LLC
- Compact closed-loop bypass optical beam sensing and correction15 Sep 2026US 12,736,800 B2Raytheon Company
- Observation system and method15 Sep 2026US 12,736,827 B2Bertin Technologies
- Modulating retroreflector supporting multi-channel communication and method8 Oct 2026US 2026/0309902 A1Raytheon Company
- Ophthalmic lens8 Oct 2026US 2026/0309962 A1Young Optics Inc.
- Configuring optical circuits for filtering optical waves8 Oct 2026US 2026/0310010 A1Analog Photonics LLC
- Real-time hdr video for vehicle control8 Oct 2026US 2026/0313240 A1Contrast, Inc.
- Laser radar1 Oct 2026US 2026/0299133 A1Nikon Corporation
Most cited
By later US patents
- Apparatus for optical see-through head mounted display with mutual occlusion and opaqueness control capability688US 9,547,174 B2Magic Leap, Inc. · 2017
- Image combining system for eyeglasses and face masks626US 5,886,822 AThe Microoptical Corporation · 1999
- Wide-field of view (FOV) imaging devices with active foveation capability563US 9,851,563 B2Magic Leap, Inc. · 2017
- Light guide optical device506US 7,457,040 B2Lumus Ltd. · 2008
- Compact image display system for eyeglasses or other head-borne frames494US 6,384,982 B1The Microoptical Corporation · 2002