G02B 27/4233
Having a diffractive element [doe] contributing to a non-imaging application
Official title: {having a diffractive element [DOE] contributing to a non-imaging application (diffusers having a diffractive element G02B5/0252; filters having a diffractive element G02B5/203; systems for controlling the direction of light having diffractive elements G02B26/0808; scanning systems having diffractive elements G02B26/106; beam shaping systems using diffractive optical elements G02B27/0944; beam splitting or combining systems operating by diffraction G02B27/1086)}
G02B27/4233 (Having a diffractive element [doe] contributing to a non-imaging application) appears on 933 US grants and 1,011 published applications in this corpus.
Search patents in G02B- Granted patents
- 933
- Published applications
- 1,011
- Assignees
- 518
- Inventors
- 2,004
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 6 | 6 |
| 2002 | 13 | 17 |
| 2003 | 12 | 18 |
| 2004 | 14 | 22 |
| 2005 | 14 | 25 |
| 2006 | 13 | 23 |
| 2007 | 15 | 24 |
| 2008 | 13 | 17 |
| 2009 | 9 | 21 |
| 2010 | 21 | 24 |
| 2011 | 10 | 14 |
| 2012 | 18 | 21 |
| 2013 | 12 | 15 |
| 2014 | 16 | 22 |
| 2015 | 16 | 34 |
| 2016 | 24 | 58 |
| 2017 | 54 | 80 |
| 2018 | 53 | 51 |
| 2019 | 86 | 91 |
| 2020 | 84 | 118 |
| 2021 | 77 | 102 |
| 2022 | 74 | 73 |
| 2023 | 69 | 54 |
| 2024 | 61 | 38 |
| 2025 | 44 | 32 |
| 2026 | 19 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical computing device and optical computing method15 Sep 2026US 12,736,721 B2Fujikura Ltd.
- Optical computation device and optical computation method1 Sep 2026US 12,724,284 B2Fujikura Ltd.
- Waveguides having integrated spacers, waveguides having edge absorbers, and methods for making the same25 Aug 2026US 12,717,077 B2Magic Leap, Inc.
- Devices and methods for adjusting lens positions based on encoded light patterns25 Aug 2026US 12,717,137 B1Meta Platforms Technologies, LLC
- Beam tracking and fiber coupling using dual focus diffractive optical element18 Aug 2026US 12,710,293 B2Northrop Grumman Systems Corporation
- Generating and projecting a pseudo-random optical pattern of dots24 Sep 2026US 2026/0287335 A1NIL Technology ApS
- Aperture-Metasurface and Hybrid Refractive-Metasurface Imaging Systems17 Sep 2026US 2026/0282578 A1Metalenz, Inc.
- Method and apparatus for diffraction-based overlay measurement27 Aug 2026US 2026/0251982 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Aiming Device with a Diffractive Optical Element and Reflective Image Combiner13 Aug 2026US 2026/0235887 A1Marsupial Holdings, Inc.
- Diffractive optical device providing structured light11 Jun 2026US 2026/0161006 A1Viavi Solutions Inc.
Most cited
By later US patents
- Grating based phase control optical delay line535US 6,111,645 AMassachusetts Institute of Technology · 2000
- Method and apparatus for performing optical frequency domain reflectometry488US 6,160,826 AMassachusetts Institute of Technology · 2000
- Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser478US 5,956,355 AMassachusetts Institute of Technology · 1999
- Interferometeric imaging with a grating based phase control optical delay line475US 6,421,164 B2Massachusetts Institute of Technology · 2002
- Grating based phase control optical delay line383US 6,282,011 B1Massachusetts Institute of Technology · 2001