- 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
|
6
|
7
|
16
|
8
|
9
|
3
|
6
|
1
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
7 |
| Penumbra Brands, LLC | 30 |
6 |
| KYOCERA AVX Components (San Diego), Inc. | 284 |
6 |
| Samsung Electronics Co., Ltd. | 158605 |
5 |
| Huawei Technologies Co., Ltd. | 124379 |
3 |
| Murata Manufacturing Co., Ltd. | 25847 |
3 |
| Amir Keyvan Khandani | 21 |
3 |
| Telefonaktiebolaget LM Ericsson (publ) | 28872 |
3 |
| Sony Corporation | 30097 |
2 |
| Deere & Company | 8160 |
2 |
| Intel Corporation | 47162 |
2 |
| Mitsubishi Electric Corporation | 48236 |
2 |
| Google LLC | 44674 |
2 |
| Yokowo Co., Ltd. | 578 |
2 |
| Ubiquiti Inc. | 355 |
2 |
| Agc, Inc. | 5590 |
2 |
| Calian GNSS Ltd. | 47 |
2 |
| Sony Mobile Communications AB | 352 |
1 |
| AT&T Intellectual Property I, L.P. | 10013 |
1 |
| Panasonic Corporation | 18809 |
1 |
| Other owners | 33 |