Photonic crystal all-optical self-or-transformation logic gate
US-10514501-B2 · Dec 24, 2019 · US
Optical logic elements; Optical bistable devices
Optical logic elements; Optical bistable devices · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F3/00 |
| Official title | Optical logic elements; Optical bistable devices |
| Display label | Optical logic elements; Optical bistable devices |
| Total patents | 259 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 13 |
| 2018 | 16 |
| 2019 | 20 |
| 2020 | 19 |
| 2021 | 24 |
| 2022 | 14 |
| 2023 | 36 |
| 2024 | 46 |
| 2025 | 42 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical logic gates
US-2019353981-A1 · Nov 21, 2019 · US
Prismatic optical logic circuits
US-10459312-B2 · Oct 29, 2019 · US
Cavity and quantum computer
US-10423048-B2 · Sep 24, 2019 · US
Optical logic gates
US-10386698-B2 · Aug 20, 2019 · US
Quantum computer and quantum computing method
US-10365538-B2 · Jul 30, 2019 · US
Phase Shifter, Quantum Logic Gate Apparatus, Optical Quantum Computing Apparatus, and Phase Shift Method
US-2019156235-A1 · May 23, 2019 · US
State-changeable device
US-2019057740-A1 · Feb 21, 2019 · US
Logic device having an optical circulator
US-2019025669-A1 · Jan 24, 2019 · US
Optical transmission module
US-2019028204-A1 · Jan 24, 2019 · US
Integrated photonic microwave transceiver system
US-2019028203-A1 · Jan 24, 2019 · US
Prismatic optical logic circuits
US-2019018302-A1 · Jan 17, 2019 · US
Signal wave generator apparatus with polarization control
US-2019011804-A1 · Jan 10, 2019 · US
Quantum computing device for Ising model, quantum parallel computing device for Ising model, and quantum computing method for Ising model
US-10140580-B2 · Nov 27, 2018 · US
Ising model quantum computation device
US-10139703-B2 · Nov 27, 2018 · US
Media-defined optical logic circuitry design
US-10133151-B2 · Nov 20, 2018 · US
Systems and methods for an optical logic device
US-10114270-B2 · Oct 30, 2018 · US
State-changeable device
US-10102906-B2 · Oct 16, 2018 · US
Quantum computing device for ising model, quantum parallel computing device for ising model, and quantum computing method for ising model
US-2018268315-A2 · Sep 20, 2018 · US
Quantum computer and quantum computing method
US-10068182-B2 · Sep 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F3/00?
- CPC G02F3/00 is the Cooperative Patent Classification code for “Optical logic elements; Optical bistable devices.”
- How many patents are filed under CPC G02F3/00 (Optical logic elements; Optical bistable devices)?
- Our database includes 259 publications tagged with this CPC code.
- Is patent activity under CPC G02F3/00 growing?
- Publication counts under this code: 46 in 2024 vs 42 in 2025 (latest complete years).