- 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: 238
10-year publication summary
|
22
|
22
|
36
|
20
|
18
|
9
|
9
|
7
|
6
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19640 |
13 |
| Samsung Electronics Co., Ltd. | 158442 |
8 |
| Axiro Semiconductor Inc. | 104 |
8 |
| Apple Inc. | 59027 |
7 |
| Infineon Technologies AG | 8410 |
6 |
| Huawei Technologies Co., Ltd. | 124115 |
6 |
| Ubiquiti Inc. | 355 |
6 |
| International Business Machines Corporation | 62748 |
5 |
| 3m Innovative Properties Company | 17458 |
4 |
| Panasonic Corporation | 18849 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48560 |
4 |
| Samsung Electro-mechanics Co., Ltd. | 6126 |
4 |
| Leonardo UK Ltd | 137 |
4 |
| Qualcomm Incorporated | 92859 |
3 |
| Canon Inc. | 44051 |
3 |
| Murata Manufacturing Co., Ltd. | 25809 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2866 |
3 |
| Insitu, Inc. | 159 |
3 |
| Masprodenkoh Kabushikikaisha | 67 |
3 |
| Other owners | 138 |