- All sections
- H - Electricity
- H01P - Waveguidesresonators, 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: 550
10-year publication summary
59
|
41
|
53
|
50
|
40
|
44
|
41
|
22
|
32
|
10
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Murata Manufacturing Co., Ltd. | 24503 |
49 |
Huawei Technologies Co., Ltd. | 112316 |
33 |
Telefonaktiebolaget LM Ericsson (publ) | 27885 |
23 |
Ericsson | 21733 |
20 |
NEC Corporation | 35619 |
19 |
CTS Corporation | 269 |
19 |
KMW Inc. | 727 |
13 |
International Business Machines Corporation | 61210 |
10 |
Comba Telecom Technology (Guangzhou) Ltd. | 294 |
8 |
Samsung Electronics Co., Ltd. | 145864 |
7 |
Qualcomm Incorporated | 85183 |
7 |
Fujikura Ltd. | 2931 |
7 |
CommScope Italy S.r.l. | 55 |
7 |
Skyworks Solutions, Inc. | 3713 |
7 |
Thales SA | 2337 |
6 |
Innertron, Inc. | 30 |
6 |
Intel Corporation | 46962 |
5 |
Mitsubishi Electric Corporation | 46037 |
5 |
Epcos AG | 701 |
5 |
Kyocera Corporation | 13800 |
5 |
Other owners | 289 |