- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 13/20 - Non-resonant leaky-waveguide or transmission-line antennas Equivalent structures causing radiation along the transmission path of a guided wave
Patent holdings for IPC class H01Q 13/20
Total number of patents in this class: 558
10-year publication summary
|
41
|
40
|
42
|
60
|
51
|
42
|
42
|
39
|
36
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 115366 |
22 |
| AT&T Intellectual Property I, L.P. | 9657 |
14 |
| Avago Technologies International Sales Pte. Limited | 8673 |
13 |
| Jiangsu Hengxin Technology co., ltd. | 37 |
12 |
| Ericsson | 21972 |
11 |
| The Invention Science Fund I, LLC | 165 |
11 |
| Robert Bosch GmbH | 43001 |
10 |
| CPG Technologies, LLC | 99 |
9 |
| Telefonaktiebolaget LM Ericsson (publ) | 28484 |
9 |
| NEC Corporation | 36267 |
8 |
| Siemens Gamesa Renewable Energy A/S | 1908 |
7 |
| Samsung Electronics Co., Ltd. | 148765 |
6 |
| GM Global Technology Operations LLC | 15340 |
6 |
| Jiangsu Zhongtian Technology Co., Ltd. | 155 |
6 |
| InterDigital CE Patent Holdings, SAS | 1514 |
6 |
| Zhongtian Radio Frequency Cable Co.,Ltd. | 35 |
6 |
| KYOCERA AVX Components (San Diego), Inc. | 273 |
6 |
| The Boeing Company | 20151 |
5 |
| Murata Manufacturing Co., Ltd. | 24950 |
5 |
| NPX B.V. | 2607 |
5 |
| Other owners | 381 |