G02F 2413/00
Indexing scheme related to g02f1/13363, i.e. to birefringent elements
Official title: Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
G02F2413/00 (Indexing scheme related to g02f1/13363, i.e. to birefringent elements) appears on 1,356 US grants and 1,414 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,356
- Published applications
- 1,414
- Assignees
- 307
- Inventors
- 2,279
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 17 | 0 |
| 1994 | 11 | 0 |
| 1995 | 8 | 0 |
| 1996 | 24 | 0 |
| 1997 | 17 | 0 |
| 1998 | 29 | 0 |
| 1999 | 25 | 0 |
| 2000 | 39 | 0 |
| 2001 | 35 | 5 |
| 2002 | 23 | 30 |
| 2003 | 30 | 28 |
| 2004 | 32 | 59 |
| 2005 | 32 | 69 |
| 2006 | 32 | 90 |
| 2007 | 45 | 86 |
| 2008 | 38 | 90 |
| 2009 | 64 | 115 |
| 2010 | 72 | 86 |
| 2011 | 90 | 55 |
| 2012 | 76 | 54 |
| 2013 | 35 | 37 |
| 2014 | 39 | 53 |
| 2015 | 45 | 49 |
| 2016 | 31 | 47 |
| 2017 | 36 | 66 |
| 2018 | 49 | 50 |
| 2019 | 65 | 64 |
| 2020 | 51 | 53 |
| 2021 | 43 | 71 |
| 2022 | 61 | 45 |
| 2023 | 40 | 51 |
| 2024 | 43 | 34 |
| 2025 | 27 | 19 |
| 2026 | 11 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02F 2413/02Number of plates being 2Indexing code488
- G02F 2413/08Indexing scheme related to g02f1/13363, i.e. to birefringent elements: with a particularIndexing code368
- G02F 2413/01Number of plates being 1Indexing code286
- G02F 2413/10Indexing scheme related to g02f1/13363, i.e. to birefringent elements: with refractive indexIndexing code237
- G02F 2413/04Number of plates greater than or equal to 4Indexing code184
- G02F 2413/13Positive birefingenceIndexing code152
- G02F 2413/12Biaxial compensatorsIndexing code147
- G02F 2413/05Single plate on one side of the lc cellIndexing code132
All 13 subgroupsShow fewer
- G02F 2413/07All plates on one side of the lc cellIndexing code128
- G02F 2413/03Number of plates being 3Indexing code123
- G02F 2413/06Two plates on one side of the lc cellIndexing code118
- G02F 2413/14Negative birefingenceIndexing code98
- G02F 2413/15Indexing scheme related to g02f1/13363, i.e. to birefringent elements: with twisted orientationIndexing code65
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Most cited
By later US patents
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