- 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: 325
10-year publication summary
|
12
|
15
|
29
|
55
|
46
|
33
|
25
|
15
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18957 |
56 |
| Sharp Corporation | 10015 |
31 |
| Mitsubishi Electric Corporation | 43934 |
12 |
| Avago Technologies International Sales Pte. Limited | 9260 |
12 |
| Fujikura Ltd. | 2777 |
7 |
| Furuno Electric Co., Ltd. | 875 |
6 |
| Murata Manufacturing Co., Ltd. | 22355 |
5 |
| Conductix-Wampfler GmbH | 88 |
5 |
| SEW-EURODRIVE GmbH & Co. KG | 1816 |
5 |
| Aptiv Technologies AG | 2097 |
5 |
| Raytheon Company | 8535 |
4 |
| DIC Corporation | 3597 |
4 |
| Kymeta Corporation | 253 |
4 |
| Robin Radar Facilities BV | 16 |
4 |
| Veoneer US, LLC | 183 |
4 |
| AT&T Intellectual Property I, L.P. | 9886 |
3 |
| NEC Corporation | 32703 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| Ericsson | 20417 |
3 |
| Hitachi, Ltd. | 16452 |
3 |
| Other owners | 146 |