G02B 5/1866
Transmission gratings characterised by their structure
Official title: {Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials (G02B5/1809, G02B5/1828, G02B5/1833, G02B5/1838 and G02B5/1847 take precedence)}
G02B5/1866 (Transmission gratings characterised by their structure) appears on 858 US grants and 1,022 published applications in this corpus.
Search patents in G02B- Granted patents
- 858
- Published applications
- 1,022
- Assignees
- 436
- Inventors
- 1,963
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 6 |
| 2002 | 8 | 17 |
| 2003 | 11 | 17 |
| 2004 | 11 | 22 |
| 2005 | 9 | 21 |
| 2006 | 19 | 24 |
| 2007 | 13 | 29 |
| 2008 | 14 | 27 |
| 2009 | 20 | 33 |
| 2010 | 18 | 27 |
| 2011 | 23 | 32 |
| 2012 | 20 | 21 |
| 2013 | 15 | 13 |
| 2014 | 20 | 26 |
| 2015 | 17 | 32 |
| 2016 | 26 | 39 |
| 2017 | 33 | 51 |
| 2018 | 31 | 59 |
| 2019 | 57 | 62 |
| 2020 | 69 | 102 |
| 2021 | 53 | 75 |
| 2022 | 61 | 78 |
| 2023 | 61 | 77 |
| 2024 | 52 | 51 |
| 2025 | 62 | 45 |
| 2026 | 31 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polychromatic light out-coupling apparatus, near-eye displays comprising the same, and method of out-coupling polychromatic light6 Oct 2026US 12,754,425 B2Magic Leap, Inc.
- Lensless imaging system, method of manufacturing lensless imaging system, and electronic apparatus29 Sep 2026US 12,748,246 B2Samsung Electronics Co., Ltd.
- Edge angle and baseline angle correction in depth imaging29 Sep 2026US 12,749,210 B2Airy3D Inc.
- Optical computing device and optical computing method15 Sep 2026US 12,736,721 B2Fujikura Ltd.
- Transparent plate and fabricating method therefor, housing, and mobile terminal25 Aug 2026US 12,717,072 B2BYD Company Limited
- Method and system for producing light manipulating pattern on a surface8 Oct 2026US 2026/0309903 A1Bar-Ilan University
- Optical waveguide device and ar display apparatus1 Oct 2026US 2026/0299292 A1Beijing BOE Technology Development Co., Ltd.
- Systems and methods for privacy-preserving mobile cameras24 Sep 2026US 2026/0287977 A1Corephotonics Ltd.
- Methods and systems for generating virtual content display with a virtual or augmented reality apparatus17 Sep 2026US 2026/0276983 A1Magic Leap, Inc.
- Optical arrangement for head-up display, and angle-sensitive filter arrangement with micro-louvered grating17 Sep 2026US 2026/0276988 A1Carl Zeiss Jena GmbH
Most cited
By later US patents
- Multi-plane optical apparatus310US 7,573,640 B2Mirage Innovations Ltd. · 2009
- Multilayer dielectric diffraction gratings238US 5,907,436 AThe Regents of the University of California · 1999
- Multibeam diffraction grating-based backlighting195US 9,128,226 B2Leia Inc. · 2015
- Method and system for beam expansion in a display device170US 6,805,490 B2Nokia Corporation · 2004
- Optical element and optical pickup device comprising it169US 5,085,496 ASharp Kabushiki Kaisha · 1992