G02B 6/34
Utilising prism or grating
Official title: utilising prism or grating {(G02B6/293 takes precedence)}
G02B6/34 (Utilising prism or grating) appears on 1,841 US grants and 2,176 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,841
- Published applications
- 2,176
- Assignees
- 688
- Inventors
- 3,332
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 11 | 0 |
| 1992 | 21 | 0 |
| 1993 | 14 | 0 |
| 1994 | 15 | 0 |
| 1995 | 12 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 30 |
| 2003 | 24 | 42 |
| 2004 | 22 | 32 |
| 2005 | 27 | 19 |
| 2006 | 28 | 17 |
| 2007 | 30 | 12 |
| 2008 | 14 | 14 |
| 2009 | 12 | 20 |
| 2010 | 12 | 29 |
| 2011 | 9 | 31 |
| 2012 | 18 | 38 |
| 2013 | 30 | 38 |
| 2014 | 38 | 59 |
| 2015 | 58 | 202 |
| 2016 | 99 | 123 |
| 2017 | 120 | 144 |
| 2018 | 119 | 137 |
| 2019 | 162 | 142 |
| 2020 | 149 | 189 |
| 2021 | 146 | 124 |
| 2022 | 128 | 159 |
| 2023 | 132 | 127 |
| 2024 | 114 | 179 |
| 2025 | 104 | 170 |
| 2026 | 64 | 97 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Waveguide display having phase compensation layers6 Oct 2026US 12,754,375 B1Apple Inc.
- Display device having diffraction gratings with reduced polarization sensitivity6 Oct 2026US 12,754,432 B2Magic Leap, Inc.
- Optical coupling device with a holographic diffraction structure29 Sep 2026US 12,748,262 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Optical systems having optical couplers for sensing light22 Sep 2026US 12,742,969 B1Apple Inc.
- Display device and presentation device equipped with same15 Sep 2026US 12,737,084 B2OMRON Corporation
- Broadband grating coupler8 Oct 2026US 2026/0309923 A1VTEC Lasers & Sensors Ltd
- Optical sensor modules with interferometric sensing1 Oct 2026US 2026/0298615 A1Apple Inc.
- Optical system1 Oct 2026US 2026/0299203 A1Sumitomo Chemical Company, Limited
- Bragg gratings for an augmented reality display system1 Oct 2026US 2026/0299210 A1Magic Leap, Inc.
- Surface relief grating performance and cost enhancements for augmented reality applications1 Oct 2026US 2026/0299211 A1Tokyo Electron Limited
Most cited
By later US patents
- Planar waveguide apparatus with diffraction element(s) and system employing same761US 9,671,566 B2Magic Leap, Inc. · 2017
- Virtual and augmented reality systems and methods701US 9,791,700 B2Magic Leap, Inc. · 2017
- Switchable optical components377US 6,567,573 B1DigiLens Inc. · 2003
- Back-side-of-die, through-wafer guided-wave optical clock distribution networks, method of fabrication thereof, and uses thereof285US 7,016,569 B2Georgia Tech Research Corporation · 2006
- Optical biosensor system268US 5,313,264 APharmacia Biosensor AB · 1994