Surface-wave waveguide with conductive sidewalls and application in antennas
US-9837695-B2 · Dec 5, 2017 · US
with two longitudinal conductors
with two longitudinal conductors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01P3/02 |
| Official title | with two longitudinal conductors |
| Display label | with two longitudinal conductors |
| Total patents | 176 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 24 |
| 2017 | 29 |
| 2018 | 34 |
| 2019 | 10 |
| 2020 | 20 |
| 2021 | 10 |
| 2022 | 14 |
| 2023 | 5 |
| 2024 | 10 |
| 2025 | 3 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Printed wiring board
US-9807870-B2 · Oct 31, 2017 · US
Electrical cable
US-2017288290-A1 · Oct 5, 2017 · US
High-frequency transmission line and electronic device
US-2017271733-A1 · Sep 21, 2017 · US
Differential transmission cable and multipair differential transmission cable
US-2017256837-A1 · Sep 7, 2017 · US
High-frequency transmission line and electronic device
US-9748625-B2 · Aug 29, 2017 · US
High-frequency signal transmission line and manufacturing method thereof
US-9742051-B2 · Aug 22, 2017 · US
Circuit structure and mobile terminal
US-2017215273-A1 · Jul 27, 2017 · US
Method and device for differential signal channel length compensation in electronic system
US-9706642-B2 · Jul 11, 2017 · US
Slot antenna
US-2017194716-A1 · Jul 6, 2017 · US
Aperiodic Routing to Mitigate Floquet Mode Resonances
US-2017181269-A1 · Jun 22, 2017 · US
Dielectric waveguide assembly
US-2017170538-A1 · Jun 15, 2017 · US
Differential signaling cable, transmission cable assembly using same, and production method for differential signaling cable
US-9660318-B2 · May 23, 2017 · US
Process of fabricating printed circuit board
US-9648723-B2 · May 9, 2017 · US
Interconnect array pattern with a 3:1 signal-to-ground ratio
US-9646925-B2 · May 9, 2017 · US
Signal transmission path and signal processing device
US-2017117604-A1 · Apr 27, 2017 · US
High-frequency signal line and method for producing base layer with signal line
US-9627734-B2 · Apr 18, 2017 · US
Differential signal transmission line
US-2017098879-A1 · Apr 6, 2017 · US
Insertion loss reduction and increased bonding in a circuit apparatus
US-2017079133-A1 · Mar 16, 2017 · US
Process of fabricating printed circuit board
US-2017079131-A1 · Mar 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01P3/02?
- CPC H01P3/02 is the Cooperative Patent Classification code for “with two longitudinal conductors.”
- How many patents are filed under CPC H01P3/02 (with two longitudinal conductors)?
- Our database includes 176 publications tagged with this CPC code.
- Is patent activity under CPC H01P3/02 growing?
- Publication counts under this code: 10 in 2024 vs 3 in 2025 (latest complete years).