G02B 27/145
Having sequential partially reflecting surfaces
Official title: {having sequential partially reflecting surfaces}
G02B27/145 (Having sequential partially reflecting surfaces) appears on 1,342 US grants and 1,214 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,342
- Published applications
- 1,214
- Assignees
- 534
- Inventors
- 2,128
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 13 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 13 | 0 |
| 1992 | 7 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 20 | 0 |
| 1998 | 27 | 0 |
| 1999 | 22 | 0 |
| 2000 | 48 | 0 |
| 2001 | 54 | 9 |
| 2002 | 45 | 69 |
| 2003 | 52 | 60 |
| 2004 | 54 | 86 |
| 2005 | 37 | 74 |
| 2006 | 74 | 80 |
| 2007 | 49 | 73 |
| 2008 | 51 | 50 |
| 2009 | 43 | 62 |
| 2010 | 49 | 62 |
| 2011 | 48 | 43 |
| 2012 | 44 | 34 |
| 2013 | 32 | 30 |
| 2014 | 43 | 36 |
| 2015 | 27 | 30 |
| 2016 | 32 | 35 |
| 2017 | 30 | 45 |
| 2018 | 45 | 39 |
| 2019 | 49 | 47 |
| 2020 | 41 | 48 |
| 2021 | 35 | 46 |
| 2022 | 39 | 42 |
| 2023 | 41 | 37 |
| 2024 | 35 | 32 |
| 2025 | 27 | 28 |
| 2026 | 10 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Multi-directional reflective incoupler and split exit pupil expander to reduce lens size9 Jul 2026US 2026/0194751 A1Google Inc.
Most cited
By later US patents
- Image combining system for eyeglasses and face masks626US 5,886,822 AThe Microoptical Corporation · 1999
- Light guide optical device506US 7,457,040 B2Lumus Ltd. · 2008
- Light guide optical device489US 8,004,765 B2Lumus Ltd. · 2011
- Uniform illumination system488US 7,072,096 B2Digital Optics International Corporation · 2006
- RGBZ (red, green, blue, z-depth) filter system usable with sensor systems, including sensor systems with synthetic mirror enhanced three-dimensional imaging446US 7,375,803 B1Canesta, Inc. · 2008