G02F 3/00
Optical logic elements
Official title: Optical logic elements; Optical bistable devices
G02F3/00 (Optical logic elements) appears on 672 US grants and 459 published applications in this corpus.
Search patents in G02F- Granted patents
- 672
- Published applications
- 459
- Assignees
- 328
- Inventors
- 1,291
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 12 | 0 |
| 1986 | 11 | 0 |
| 1987 | 9 | 0 |
| 1988 | 16 | 0 |
| 1989 | 31 | 0 |
| 1990 | 21 | 0 |
| 1991 | 21 | 0 |
| 1992 | 31 | 0 |
| 1993 | 22 | 0 |
| 1994 | 18 | 0 |
| 1995 | 18 | 0 |
| 1996 | 13 | 0 |
| 1997 | 13 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 0 |
| 2002 | 11 | 13 |
| 2003 | 10 | 20 |
| 2004 | 11 | 20 |
| 2005 | 11 | 11 |
| 2006 | 11 | 7 |
| 2007 | 14 | 26 |
| 2008 | 23 | 16 |
| 2009 | 12 | 13 |
| 2010 | 12 | 18 |
| 2011 | 17 | 9 |
| 2012 | 13 | 8 |
| 2013 | 9 | 6 |
| 2014 | 9 | 7 |
| 2015 | 5 | 9 |
| 2016 | 7 | 8 |
| 2017 | 13 | 23 |
| 2018 | 14 | 17 |
| 2019 | 24 | 21 |
| 2020 | 18 | 18 |
| 2021 | 11 | 26 |
| 2022 | 10 | 16 |
| 2023 | 19 | 37 |
| 2024 | 29 | 46 |
| 2025 | 29 | 45 |
| 2026 | 27 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multiplexed readout of quantum devices6 Oct 2026US 12,754,222 B2Fermi Forward Discovery Group, LLC
- Optical neuron unit and network of the same29 Sep 2026US 12,748,964 B2Cognifiber Ltd.
- Multi-qubit control with acousto-optic modulators15 Sep 2026US 12,737,657 B2IonQ, Inc.
- Photonic devices and methods25 Aug 2026US 12,717,212 B2
- Frequency-domain arbitrary linear transformations for photons18 Aug 2026US 12,710,587 B2The Board of Trustees of the Leland Stanford Junior University
- Dynamical decoupling of wells for an energy gap protected qubit24 Sep 2026US 2026/0287972 A1Amazon Technologies, Inc.
- Quantum system for performing a cnot gate and quantum system for performing a repetition code using the same10 Sep 2026US 2026/0268188 A1Alice & Bob
- Photonic integrated circuit27 Aug 2026US 2026/0248400 A1
- Vertical photonic switch27 Aug 2026US 2026/0251950 A1
- Systems using microled-based interconnects20 Aug 2026US 2026/0243971 A1AvicenaTech, Corp.
Most cited
By later US patents
- Method and apparatus for electronic switching of a reflective color display227US 5,251,048 AKent State University · 1993
- Distributed resonant cavity light beam modulator127US 5,337,183 AYeda Research and Development Co. Ltd. · 1994
- Quantum dots, nanocomposite materials with quantum dots, devices with quantum dots, and related fabrication methods127US 7,005,669 B1UltraDots, Inc. · 2006
- Bistable element99US 8,774,572 B2Kyushu University, National University Corporation · 2014
- Apparatus and methods for optical neural network95US 10,268,232 B2Massachusetts Institute of Technology · 2019