G02B 5/1819
Plural gratings positioned on the same surface
Official title: {Plural gratings positioned on the same surface, e.g. array of gratings (plural diffractive elements positioned sequentially along the optical path G02B27/4272)}
G02B5/1819 (Plural gratings positioned on the same surface) appears on 511 US grants and 650 published applications in this corpus.
Search patents in G02B- Granted patents
- 511
- Published applications
- 650
- Assignees
- 252
- Inventors
- 1,148
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 9 |
| 2003 | 3 | 5 |
| 2004 | 7 | 8 |
| 2005 | 8 | 6 |
| 2006 | 1 | 7 |
| 2007 | 2 | 6 |
| 2008 | 2 | 7 |
| 2009 | 2 | 3 |
| 2010 | 6 | 5 |
| 2011 | 4 | 11 |
| 2012 | 8 | 12 |
| 2013 | 7 | 10 |
| 2014 | 12 | 11 |
| 2015 | 6 | 15 |
| 2016 | 20 | 21 |
| 2017 | 17 | 32 |
| 2018 | 21 | 49 |
| 2019 | 42 | 33 |
| 2020 | 46 | 69 |
| 2021 | 42 | 56 |
| 2022 | 44 | 67 |
| 2023 | 55 | 66 |
| 2024 | 46 | 65 |
| 2025 | 59 | 50 |
| 2026 | 30 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical device and method of manufacture thereof22 Sep 2026US 12,741,478 B2De La Rue International Limited
- Optical display system comprising a beam scanning unit and an exit pupil steering apparatus and an electronic device22 Sep 2026US 12,742,971 B2Goertek Inc.
- Optical systems with modulated surface relief gratings11 Aug 2026US 12,704,683 B2
- Optical devices and methods of manufacture thereof4 Aug 2026US 12,697,833 B2De La Rue International Limited
- Input/output coupling grating and display including the same4 Aug 2026US 12,699,270 B2Magic Leap, Inc.
- Optical device for augmented reality providing expanded eye box1 Oct 2026US 2026/0299290 A1Letinar Co., Ltd
- Optical waveguide device and ar display apparatus1 Oct 2026US 2026/0299292 A1Beijing BOE Technology Development Co., Ltd.
- Input/output coupling grating and display including the same1 Oct 2026US 2026/0299305 A1Magic Leap, Inc.
- Metalens stack on waveguide combiners for ar/vr glasses24 Sep 2026US 2026/0287901 A1APPLIED Materials.Inc.
- Field etch to enhance image sharpness of augmented reality waveguide combiners17 Sep 2026US 2026/0276873 A1APPLIED Materials.Inc.
Most cited
By later US patents
- Compound objective lens having two focal points144US 5,446,565 AMatsushita Electric Industrial Co., Ltd. · 1995
- Illuminating device for motor vehicles117US 5,477,436 ARobert Bosch GmbH · 1995
- Grating test patterns and methods for overlay metrology117US 6,699,624 B2Timbre Technologies, Inc. · 2004
- Multiview 3D wrist watch109US 9,298,168 B2Leia Inc. · 2016
- Optical pattern projection108US 8,384,997 B2Primesense Ltd. · 2013