Nanoplasma switch device for ultrafast switching
US-12255037-B2 · Mar 18, 2025 · US
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Cathodes
Cathodes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J17/06 |
| Official title | Cathodes |
| Display label | Cathodes |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nanoplasma switch device for ultrafast switching
US-2023360875-A1 · Nov 9, 2023 · US
Plasma source and switch device
US-2023053887-A1 · Feb 23, 2023 · US
High voltage, cross-field, gas switch and method of operation
US-10665402-B2 · May 26, 2020 · US
Low sputtering, cross-field, gas switch and method of operation
US-2019295801-A1 · Sep 26, 2019 · US
Low sputtering, cross-field, gas switch and method of operation
US-10403466-B1 · Sep 3, 2019 · US
High voltage, cross-field, gas switch and method of operation
US-2019244775-A1 · Aug 8, 2019 · US
Ion source cathode shield
US-9941087-B2 · Apr 10, 2018 · US
Ion source cathode shield
US-2017207054-A1 · Jul 20, 2017 · US
Partially insulated cathode
US-9659732-B2 · May 23, 2017 · US
Electron emission device and electron emission display
US-9378920-B2 · Jun 28, 2016 · US
Partially insulated cathode
US-2016042906-A1 · Feb 11, 2016 · US
Electron emission device and electron emission display
US-2015206697-A1 · Jul 23, 2015 · US