Complementary current reuse even harmonic frequency multiplier
US-12438506-B1 · Oct 7, 2025 · US
using multiplication only
using multiplication only · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03B19/10 |
| Official title | using multiplication only |
| Display label | using multiplication only |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Frequency multiplier
US-12407298-B2 · Sep 2, 2025 · US
Hetero-integrated terahertz low-noise miniaturized image frequency rejection transceiver front-end
US-12267100-B2 · Apr 1, 2025 · US
GaAs monolithic integrated terahertz low-noise communication system transceiver front-end
US-12212357-B2 · Jan 28, 2025 · US
Frequency multiplier
US-2024291432-A1 · Aug 29, 2024 · US
Apparatus and method for frequency multiplication
US-11855650-B2 · Dec 26, 2023 · US
Frequency tuning method in rotary-based oscillator
US-11735800-B2 · Aug 22, 2023 · US
Hetero-integrated terahertz low-noise miniaturized image frequency rejection transceiver front-end
US-2023238998-A1 · Jul 27, 2023 · US
Gaas monolithic integrated terahertz low-noise communication system transceiver front-end
US-2023238997-A1 · Jul 27, 2023 · US
Multimode frequency multiplier
US-11677390-B2 · Jun 13, 2023 · US
Apparatus and methods for low power frequency clock generation and distribution
US-11561570-B2 · Jan 24, 2023 · US
Multimode Frequency Multiplier
US-2022352878-A1 · Nov 3, 2022 · US
Electronic circuit for multiply-accumulate operations
US-11409499-B1 · Aug 9, 2022 · US
Apparatus and methods for low power frequency clock generation and distribution
US-2022171425-A1 · Jun 2, 2022 · US
Frequency tuning method in rotary-based oscillator
US-2022045410-A1 · Feb 10, 2022 · US
Regenerative frequency doubler
US-11239797-B1 · Feb 1, 2022 · US
Apparatus and method for frequency multiplication
US-2021367606-A1 · Nov 25, 2021 · US
Apparatus and method for generating oscillating signal in wireless communication system
US-11139841-B2 · Oct 5, 2021 · US
Apparatus and method for generating oscillating signal in wireless communication system
US-2020389191-A1 · Dec 10, 2020 · US
Radio frequency low power differential frequency multiplier
US-10855225-B1 · Dec 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03B19/10?
- CPC H03B19/10 is the Cooperative Patent Classification code for “using multiplication only.”
- How many patents are filed under CPC H03B19/10 (using multiplication only)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC H03B19/10 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).