G02F 3/022
Based on electro-, magneto- or acousto-optical elements
Official title: {based on electro-, magneto- or acousto-optical elements (G02F3/028 takes precedence)}
G02F3/022 (Based on electro-, magneto- or acousto-optical elements) appears on 30 US grants and 19 published applications in this corpus.
Search patents in G02F- Granted patents
- 30
- Published applications
- 19
- Assignees
- 30
- Inventors
- 73
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 3 |
| 2024 | 0 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Raster multiplexing in photonic circuits17 Feb 2026US 12,554,172 B2Psiquantum, Corp.
- Reconfigurable electro-optical logic gate to perform multiple logic operations10 Feb 2026US 12,547,049 B2Hewlett Packard Enterprise Development LP
- Electrically tunable quantum information processing device based on a doped semiconductor structure embedded with a defect29 Jul 2025US 12,372,850 B2The University of Chicago
- Y-branch type phase-change all-optical boolean logic device and all-binary logic implementation method therefor7 Jan 2025US 12,189,270 B2Huazhong University of Science and Technology
- Arithmetic processing apparatus, non-transitory computer-readable storage medium, and arithmetic processing method27 Jun 2023US 11,687,616 B2Fujitsu Limited
- Rasterized qubit delivery in photonic circuits18 Jun 2026US 2026/0169345 A1Psiquantum, Corp.
- Method and device for weight adjustment in an optical neural network12 Jun 2025US 2025/0190776 A1National University of Singapore
- Reconfigurable electro-optical logic gate to perform multiple logic operations17 Apr 2025US 2025/0123536 A1Hewlett Packard Enterprise Development LP
- Scalable neutral atom based quantum computing24 Oct 2024US 2024/0355496 A1Atom Computing Inc.
- Y-branch type phase-change all-optical boolean logic device and all-binary logic implementation method therefor26 Sep 2024US 2024/0319563 A1Huazhong University of Science and Technology
Most cited
By later US patents
- Method and apparatus for electronic switching of a reflective color display227US 5,251,048 AKent State University · 1993
- Zero field multistable cholesteric liquid crystal displays41US 5,625,477 AAdvanced Display Systems, Inc. · 1997
- Electro-optic tunable optical filter38US 4,197,008 AHughes Aircraft Company · 1980
- Bistable liquid crystal in a fabry-perot etalon36US 4,790,634 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1988
- Single plate birefringent optical filter25US 4,247,166 ARockwell International Corporation · 1981