- All sections
- H - Electricity
- H01P - Waveguides; resonators, lines or other devices of the waveguide type
- H01P 1/213 - Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
Patent holdings for IPC class H01P 1/213
Total number of patents in this class: 548
10-year publication summary
|
59
|
41
|
53
|
50
|
40
|
44
|
41
|
20
|
32
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 23648 |
51 |
| Huawei Technologies Co., Ltd. | 106498 |
32 |
| Telefonaktiebolaget LM Ericsson (publ) | 27378 |
24 |
| CTS Corporation | 269 |
20 |
| NEC Corporation | 34337 |
19 |
| Ericsson | 21094 |
18 |
| KMW Inc. | 688 |
13 |
| International Business Machines Corporation | 60075 |
10 |
| Comba Telecom Technology (Guangzhou) Ltd. | 288 |
8 |
| Samsung Electronics Co., Ltd. | 138518 |
7 |
| Qualcomm Incorporated | 81413 |
7 |
| Fujikura Ltd. | 2861 |
7 |
| CommScope Italy S.r.l. | 53 |
7 |
| Skyworks Solutions, Inc. | 3603 |
7 |
| Thales SA | 2320 |
6 |
| Innertron, Inc. | 30 |
6 |
| Intel Corporation | 46097 |
5 |
| Mitsubishi Electric Corporation | 44738 |
5 |
| Epcos AG | 733 |
5 |
| Kyocera Corporation | 13327 |
5 |
| Other owners | 286 |