- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 19/30 - 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 the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
Patent holdings for IPC class H01Q 19/30
Total number of patents in this class: 234
10-year publication summary
|
15
|
22
|
22
|
36
|
20
|
18
|
9
|
9
|
7
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19468 |
13 |
| Axiro Semiconductor Inc. | 101 |
8 |
| Samsung Electronics Co., Ltd. | 145864 |
7 |
| Apple Inc. | 54773 |
7 |
| Infineon Technologies AG | 8219 |
6 |
| Huawei Technologies Co., Ltd. | 112316 |
6 |
| Ubiquiti Inc. | 342 |
6 |
| Leonardo UK Ltd | 120 |
6 |
| International Business Machines Corporation | 61210 |
5 |
| 3m Innovative Properties Company | 17849 |
4 |
| Panasonic Corporation | 20124 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42636 |
4 |
| Murata Manufacturing Co., Ltd. | 24503 |
4 |
| Samsung Electro-mechanics Co., Ltd. | 5612 |
4 |
| Qualcomm Incorporated | 85183 |
3 |
| Canon Inc. | 39818 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2744 |
3 |
| Insitu, Inc. | 174 |
3 |
| Masprodenkoh Kabushikikaisha | 72 |
3 |
| Other owners | 132 |