Planar Surface Features for Achieving Antenna Coverage
US-2024162621-A1 · May 16, 2024 · US
with a complex or stepped cross-section, e.g. ridged or grooved waveguides (H01P3/14 takes precedence)
with a complex or stepped cross-section, e.g. ridged or grooved waveguides (H01P3/14 takes precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01P3/123 |
| Official title | with a complex or stepped cross-section, e.g. ridged or grooved waveguides (H01P3/14 takes precedence) |
| Display label | with a complex or stepped cross-section, e.g. ridged or grooved waveguides (H01P3/14 takes precedence) |
| Total patents | 269 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 15 |
| 2018 | 30 |
| 2019 | 43 |
| 2020 | 50 |
| 2021 | 22 |
| 2022 | 26 |
| 2023 | 23 |
| 2024 | 26 |
| 2025 | 21 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochemical method for fabrication of high-purity, high-conductivity corrugated waveguides
US-2024030583-A1 · Jan 25, 2024 · US
Higher Signal Isolation Solutions for Printed Circuit Board Mounted Antenna and Waveguide Interface
US-2019214699-A1 · Jul 11, 2019 · US
Waveguide device with sidewall features
US-10320042-B2 · Jun 11, 2019 · US
Transmission line device
US-2018375182-A1 · Dec 27, 2018 · US
Waveguide device, and antenna device including the waveguide device
US-2018375219-A1 · Dec 27, 2018 · US
Electromagnetic wave transmission device
US-2018375185-A1 · Dec 27, 2018 · US
Waveguide device, slot antenna, and radar, radar system, and wireless communication system including the slot antenna
US-10164344-B2 · Dec 25, 2018 · US
Coaxial diplexer and signal coupling device
US-10164313-B2 · Dec 25, 2018 · US
Waveguide device with sidewall features
US-2018366801-A1 · Dec 20, 2018 · US
Waveguide device, and antenna device including the waveguide device
US-10158158-B2 · Dec 18, 2018 · US
Waveguide
US-10153533-B2 · Dec 11, 2018 · US
Waveguide device, and antenna device including the waveguide device
US-2018351261-A1 · Dec 6, 2018 · US
Expanded waveguide for providing uniform elecromagnetic field
US-2018331410-A1 · Nov 15, 2018 · US
Slot array antenna
US-2018301819-A1 · Oct 18, 2018 · US
Waveguide elements, fabrication techniques and arrangements thereof
US-2018301820-A1 · Oct 18, 2018 · US
Slot array antenna
US-2018301816-A1 · Oct 18, 2018 · US
Slot antenna array
US-2018301817-A1 · Oct 18, 2018 · US
Dieletric Waveguide
US-2018301782-A1 · Oct 18, 2018 · US
Waveguide device, slot antenna, and radar, radar system, and wireless communication system including the slot antenna
US-2018294575-A1 · Oct 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01P3/123?
- CPC H01P3/123 is the Cooperative Patent Classification code for “with a complex or stepped cross-section, e.g. ridged or grooved waveguides (H01P3/14 takes precedence).”
- How many patents are filed under CPC H01P3/123 (with a complex or stepped cross-section, e.g. ridged or grooved waveguides (H01P3/14 takes precedence))?
- Our database includes 269 publications tagged with this CPC code.
- Is patent activity under CPC H01P3/123 growing?
- Publication counts under this code: 26 in 2024 vs 21 in 2025 (latest complete years).