- 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: 518
10-year publication summary
|
41
|
41
|
40
|
42
|
61
|
54
|
44
|
42
|
43
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
17 |
| AT&T Intellectual Property I, L.P. | 9886 |
16 |
| Avago Technologies International Sales Pte. Limited | 9260 |
13 |
| Ericsson | 20417 |
12 |
| The Invention Science Fund I, LLC | 189 |
11 |
| Robert Bosch GmbH | 40953 |
10 |
| Jiangsu Hengxin Technology co., ltd. | 29 |
10 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
10 |
| CPG Technologies, LLC | 101 |
9 |
| NEC Corporation | 32703 |
8 |
| Murata Manufacturing Co., Ltd. | 22355 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| GM Global Technology Operations LLC | 13620 |
6 |
| Nidec Corporation | 2579 |
6 |
| WGR Co., Ltd. | 36 |
6 |
| InterDigital CE Patent Holdings, SAS | 1017 |
6 |
| The Boeing Company | 19843 |
5 |
| Denso Corporation | 23338 |
5 |
| Duke University | 2872 |
5 |
| KYOCERA AVX Components (San Diego), Inc. | 256 |
5 |
| Other owners | 345 |