- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 13/22 - Longitudinal slot in boundary wall of waveguide or transmission line
Patent holdings for IPC class H01Q 13/22
Total number of patents in this class: 351
10-year publication summary
|
29
|
55
|
46
|
33
|
26
|
16
|
12
|
10
|
11
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18486 |
56 |
| Sharp Corporation | 10860 |
31 |
| Mitsubishi Electric Corporation | 48287 |
12 |
| Avago Technologies International Sales Pte. Limited | 8534 |
12 |
| Fujikura Ltd. | 3117 |
7 |
| Conductix-Wampfler GmbH | 85 |
7 |
| DIC Corporation | 3992 |
7 |
| Aptiv Technologies AG | 2322 |
6 |
| Furuno Electric Co., Ltd. | 1002 |
5 |
| Kymeta Corporation | 278 |
5 |
| Robin Radar Facilities BV | 22 |
5 |
| SEW-EURODRIVE GmbH & Co. KG | 2041 |
5 |
| Denso Corporation | 25717 |
4 |
| Murata Manufacturing Co., Ltd. | 25893 |
4 |
| Raytheon Company | 8443 |
4 |
| Brown University | 690 |
4 |
| Rogers Corporation | 512 |
4 |
| William Marsh Rice University | 1078 |
4 |
| Magna Electronics, LLC | 177 |
4 |
| AT&T Intellectual Property I, L.P. | 10025 |
3 |
| Other owners | 162 |