- 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: 87
10-year publication summary
|
5
|
6
|
7
|
14
|
7
|
8
|
3
|
5
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 32095 |
7 |
| Penumbra Brands, LLC | 34 |
6 |
| KYOCERA AVX Components (San Diego), Inc. | 271 |
6 |
| Samsung Electronics Co., Ltd. | 148077 |
5 |
| Murata Manufacturing Co., Ltd. | 24843 |
3 |
| Amir Keyvan Khandani | 21 |
3 |
| Telefonaktiebolaget LM Ericsson (publ) | 28377 |
3 |
| Sony Corporation | 30901 |
2 |
| Deere & Company | 7686 |
2 |
| Intel Corporation | 46921 |
2 |
| Huawei Technologies Co., Ltd. | 114462 |
2 |
| Google LLC | 42752 |
2 |
| Yokowo Co., Ltd. | 548 |
2 |
| Ubiquiti Inc. | 345 |
2 |
| Agc, Inc. | 4949 |
2 |
| Calian GNSS Ltd. | 33 |
2 |
| Sony Mobile Communications AB | 358 |
1 |
| AT&T Intellectual Property I, L.P. | 9613 |
1 |
| Panasonic Corporation | 20018 |
1 |
| Mitsubishi Electric Corporation | 46618 |
1 |
| Other owners | 32 |