Radio-frequency localization techniques and associated systems, devices, and methods
US-2017363709-A1 · Dec 21, 2017 · US
between emitting and receiving antennas
between emitting and receiving antennas · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01Q1/525 |
| Official title | {between emitting and receiving antennas} |
| Display label | between emitting and receiving antennas |
| Total patents | 528 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 23 |
| 2017 | 53 |
| 2018 | 57 |
| 2019 | 50 |
| 2020 | 74 |
| 2021 | 54 |
| 2022 | 49 |
| 2023 | 43 |
| 2024 | 57 |
| 2025 | 41 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Communication device
US-2017358846-A1 · Dec 14, 2017 · US
Antenna apparatus
US-2017346177-A1 · Nov 30, 2017 · US
Dielectric substrate and antenna device
US-2017346180-A1 · Nov 30, 2017 · US
Method and apparatus for an antenna
US-9825655-B2 · Nov 21, 2017 · US
Compensation circuit to mitigate antenna-to-antenna coupling
US-2017324159-A1 · Nov 9, 2017 · US
Radio-frequency localization techniques and associated systems, devices, and methods
US-9797988-B2 · Oct 24, 2017 · US
Radar Apparatus
US-2017222314-A1 · Aug 3, 2017 · US
Dynamic phased array tapering without phase recalibration
US-2017194707-A1 · Jul 6, 2017 · US
Antenna System
US-2017195108-A1 · Jul 6, 2017 · US
Polarization techniques for suppression of harmonic coupling and associated systems, devices, and methods
US-2017176572-A1 · Jun 22, 2017 · US
Electronic device
US-2017179580-A1 · Jun 22, 2017 · US
Radio-frequency localization techniques and associated systems, devices, and methods
US-2017181118-A1 · Jun 22, 2017 · US
Radio-frequency localization techniques and associated systems, devices, and methods
US-2017180011-A1 · Jun 22, 2017 · US
Digital active array radar
US-2017160389-A1 · Jun 8, 2017 · US
Antenna structure for distributed antenna system
US-9647341-B2 · May 9, 2017 · US
Radio frequency chokes for integrated phased-array antennas
US-2017117625-A1 · Apr 27, 2017 · US
Systems and methods for mode suppression in a cavity
US-2017110793-A1 · Apr 20, 2017 · US
Dual-polarized antenna for mobile communication base station
US-9577337-B2 · Feb 21, 2017 · US
Base Station
US-2017012358-A1 · Jan 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01Q1/525?
- CPC H01Q1/525 is the Cooperative Patent Classification code for “between emitting and receiving antennas.”
- How many patents are filed under CPC H01Q1/525 (between emitting and receiving antennas)?
- Our database includes 528 publications tagged with this CPC code.
- Is patent activity under CPC H01Q1/525 growing?
- Publication counts under this code: 57 in 2024 vs 41 in 2025 (latest complete years).