- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 19/28 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
Patent holdings for IPC class H01Q 19/28
Total number of patents in this class: 90
10-year publication summary
|
9
|
5
|
6
|
7
|
16
|
8
|
9
|
3
|
6
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
7 |
| Penumbra Brands, LLC | 37 |
6 |
| KYOCERA AVX Components (San Diego), Inc. | 256 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Murata Manufacturing Co., Ltd. | 22355 |
4 |
| Huawei Technologies Co., Ltd. | 100781 |
3 |
| Amir Keyvan Khandani | 22 |
3 |
| Sony Corporation | 32931 |
2 |
| Deere & Company | 6845 |
2 |
| Intel Corporation | 45621 |
2 |
| Google LLC | 38759 |
2 |
| Yokowo Co., Ltd. | 464 |
2 |
| Ubiquiti Inc. | 331 |
2 |
| Agc, Inc. | 4029 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
2 |
| Calian GNSS Ltd. | 8 |
2 |
| Sony Mobile Communications AB | 367 |
1 |
| AT&T Intellectual Property I, L.P. | 9886 |
1 |
| NEC Corporation | 32703 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Other owners | 34 |