G02F 2203/22
Diffractive
Official title: diffractive
G02F2203/22 (Diffractive) appears on 100 US grants and 86 published applications in this corpus.
Search patents in G02F- Granted patents
- 100
- Published applications
- 86
- Assignees
- 73
- Inventors
- 252
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 2 |
| 2009 | 4 | 1 |
| 2010 | 2 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 8 |
| 2013 | 2 | 3 |
| 2014 | 2 | 1 |
| 2015 | 1 | 2 |
| 2016 | 4 | 4 |
| 2017 | 2 | 1 |
| 2018 | 4 | 15 |
| 2019 | 7 | 9 |
| 2020 | 10 | 8 |
| 2021 | 7 | 2 |
| 2022 | 6 | 3 |
| 2023 | 5 | 5 |
| 2024 | 3 | 3 |
| 2025 | 3 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Projector using a plurality of liquid crystal polarization gratings to modulate light6 Jan 2026US 12,517,408 B2The United States of America as represented by the Secretary of the Air Force
- Transmission type liquid crystal diffraction element, optical element, image display unit, head-mounted display, beam steering, and sensor8 Apr 2025US 12,271,096 B2FUJIFILM Corporation
- Stacked waveguides having different diffraction gratings for combined field of view21 Jan 2025US 12,204,129 B2Magic Leap, Inc.
- Polarization-independent diffractive optical structures14 Jan 2025US 12,197,082 B2Beam Engineering for Advanced Measurements Co.
- Display device having wide viewing angle in sharing mode19 Nov 2024US 12,147,139 B2Wuhan China Star Optoelectronics Technology Co., Ltd.
- An integrated device and a method for diffracting a light signal, and a method for manufacturing an integrated device8 Oct 2026US 2026/0310042 A1Imec Vzw
- Optical enhancement cavity with a cavity dumper device for treatment of nuclear waste4 Jun 2026US 2026/0155271 A1Blue Laser Fusion, Inc.
- Transmission type liquid crystal diffraction element, optical element, image display unit, headmounted display, beam steering, and sensor26 Jun 2025US 2025/0208479 A1FUJIFILM Corporation
- Method and apparatus for thermally stable operation of aods22 May 2025US 2025/0164831 A1Electro Scientific Industries, Inc.
- Stacked waveguides having different diffraction gratings for combined field of view1 May 2025US 2025/0138234 A1Magic Leap, Inc.
Most cited
By later US patents
- Image display apparatus of liquid crystal valve projection type302US 4,389,096 AMatsushita Electric Industrial Co., Ltd. · 1983
- Embedded relay lens for head-up displays or the like239US 7,656,585 B1Microvision, Inc. · 2010
- Polymer dispersed liquid crystal panel with diffraction grating232US 5,299,289 AMatsushita Electric Industrial Co., Ltd. · 1994
- Liquid crystal light modulation device164US 4,729,640 ACanon Kabushiki Kaisha · 1988
- Optical modulation element having two-dimensional phase type diffraction grating150US 5,148,302 A1992