G02B 27/286
For controlling or changing the state of polarisation
Official title: {for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another (G02B5/3083 takes precedence; light guide coupling means utilising polarising elements G02B6/34)}
G02B27/286 (For controlling or changing the state of polarisation) appears on 1,618 US grants and 2,120 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,618
- Published applications
- 2,120
- Assignees
- 779
- Inventors
- 3,590
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 4 |
| 2002 | 6 | 19 |
| 2003 | 9 | 28 |
| 2004 | 18 | 38 |
| 2005 | 19 | 30 |
| 2006 | 37 | 54 |
| 2007 | 28 | 43 |
| 2008 | 17 | 35 |
| 2009 | 28 | 42 |
| 2010 | 24 | 40 |
| 2011 | 23 | 28 |
| 2012 | 22 | 46 |
| 2013 | 23 | 59 |
| 2014 | 35 | 55 |
| 2015 | 62 | 92 |
| 2016 | 83 | 105 |
| 2017 | 95 | 133 |
| 2018 | 99 | 112 |
| 2019 | 121 | 133 |
| 2020 | 110 | 121 |
| 2021 | 106 | 164 |
| 2022 | 142 | 172 |
| 2023 | 138 | 165 |
| 2024 | 143 | 168 |
| 2025 | 124 | 138 |
| 2026 | 81 | 96 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Light guide optical device506US 7,457,040 B2Lumus Ltd. · 2008
- Light guide optical device489US 8,004,765 B2Lumus Ltd. · 2011
- High efficiency polarized display298US 5,751,388 AHoneywell Inc. · 1998
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