Apparatus comprising inductive coupling communication means
US-2016380339-A1 · Dec 29, 2016 · US
with variable reactance for tuning the antenna
with variable reactance for tuning the antenna · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01Q7/005 |
| Official title | {with variable reactance for tuning the antenna} |
| Display label | with variable reactance for tuning the antenna |
| Total patents | 419 |
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 | 27 |
| 2016 | 35 |
| 2017 | 62 |
| 2018 | 55 |
| 2019 | 53 |
| 2020 | 42 |
| 2021 | 39 |
| 2022 | 22 |
| 2023 | 31 |
| 2024 | 36 |
| 2025 | 13 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multiple input multiple output (MIMO) antennas having polarization and angle diversity and related wireless communications devices
US-9531084-B2 · Dec 27, 2016 · US
Non-contact communication device and antenna resonance frequency control method
US-2016329638-A1 · Nov 10, 2016 · US
Integrated on-chip antenna
US-9489606-B1 · Nov 8, 2016 · US
Apparatus comprising inductive coupling communication means
US-9473215-B2 · Oct 18, 2016 · US
Tunable Antenna and Terminal
US-2016294060-A1 · Oct 6, 2016 · US
Wireless power transmission and charging system, and resonance frequency control method of wireless power transmission and charging system
US-2016294223-A1 · Oct 6, 2016 · US
LTE antenna pair for MIMO/diversity operation in the LTE/GSM bands
US-9461365-B2 · Oct 4, 2016 · US
Antenna system
US-2016285159-A1 · Sep 29, 2016 · US
Card detect architecture for near field communications
US-9438317-B2 · Sep 6, 2016 · US
Variable capacitance device and communication apparatus
US-2016254599-A1 · Sep 1, 2016 · US
Display device
US-2016226128-A1 · Aug 4, 2016 · US
Wireless communication link using near field coupling
US-9401745-B1 · Jul 26, 2016 · US
Wireless communication link using near field coupling
US-2016197653-A1 · Jul 7, 2016 · US
Electronic device and method for transmitting and receiving wireless power
US-2016181827-A1 · Jun 23, 2016 · US
Low-Profile Loop Antenna
US-2016181697-A1 · Jun 23, 2016 · US
Wireless energy transfer using variable size resonators and system monitoring
US-9369182-B2 · Jun 14, 2016 · US
Electromagnetic field induction for inter-body and transverse body communication
US-2016149313-A1 · May 26, 2016 · US
Electronic device
US-2016142083-A1 · May 19, 2016 · US
Antenna system for contactless microcircuit
US-9311591-B2 · Apr 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01Q7/005?
- CPC H01Q7/005 is the Cooperative Patent Classification code for “with variable reactance for tuning the antenna.”
- How many patents are filed under CPC H01Q7/005 (with variable reactance for tuning the antenna)?
- Our database includes 419 publications tagged with this CPC code.
- Is patent activity under CPC H01Q7/005 growing?
- Publication counts under this code: 36 in 2024 vs 13 in 2025 (latest complete years).