Three-dimensional oscillator structure
US-11651203-B2 · May 16, 2023 · US
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using as active elements semiconductor devices with two electrodes and exhibiting a negative resistance characteristic
using as active elements semiconductor devices with two electrodes and exhibiting a negative resistance characteristic · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03K4/787 |
| Official title | using as active elements semiconductor devices with two electrodes and exhibiting a negative resistance characteristic |
| Display label | using as active elements semiconductor devices with two electrodes and exhibiting a negative resistance characteristic |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Three-dimensional oscillator structure
US-2022114432-A1 · Apr 14, 2022 · US
Three-dimensional oscillator structure
US-11250317-B2 · Feb 15, 2022 · US
Three-dimensional oscillator structure
US-2020104694-A1 · Apr 2, 2020 · US