Communication transmitter interface for current-loop circuit
US-2020162076-A1 · May 21, 2020 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03C3/02 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 71 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 11 |
| 2017 | 13 |
| 2018 | 13 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 3 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Charge level communications for wireless power transfer
US-10468916-B2 · Nov 5, 2019 · US
Signal processor
US-10444267-B2 · Oct 15, 2019 · US
Sender transducer for wireless power transfer
US-10128692-B2 · Nov 13, 2018 · US
Sender controller for wireless power transfer
US-10097049-B2 · Oct 9, 2018 · US
Receiving controller for wireless power transfer
US-10097050-B2 · Oct 9, 2018 · US
Receiver transducer for wireless power transfer
US-10097048-B2 · Oct 9, 2018 · US
Using common mode local oscillator termination in single-ended commutating circuits for conversion gain improvement
US-10057093-B2 · Aug 21, 2018 · US
Phase modulation noise reducer
US-10050608-B2 · Aug 14, 2018 · US
Signal processor
US-2018224487-A1 · Aug 9, 2018 · US
Spectrum modulation for switching circuits
US-10020722-B2 · Jul 10, 2018 · US
Charge level communications for wireless power transfer
US-2018191201-A1 · Jul 5, 2018 · US
Modified tunneling field effect transistors and fabrication methods
US-10003302-B2 · Jun 19, 2018 · US
Spectrum modulation for switching circuits
US-2018109176-A1 · Apr 19, 2018 · US
Charge level communications for wireless power transfer
US-9929603-B2 · Mar 27, 2018 · US
Using common mode local oscillator termination in single-ended commutating circuits for conversion gain improvement
US-2018006855-A1 · Jan 4, 2018 · US
Ka band multi-chip modulator
US-9844169-B2 · Dec 12, 2017 · US
Communications for wireless power transfer
US-9831723-B2 · Nov 28, 2017 · US
Steering for wireless power transfer
US-9825492-B2 · Nov 21, 2017 · US
Capacitive sensing system and method
US-9819355-B2 · Nov 14, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03C3/02?
- CPC H03C3/02 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H03C3/02 (Electricity)?
- Our database includes 71 publications tagged with this CPC code.
- Is patent activity under CPC H03C3/02 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).