- All sections
- H - Electricity
- H04B - Transmission
- H04B 17/21 - Monitoring; Testing of receivers for correcting measurements
Patent holdings for IPC class H04B 17/21
Total number of patents in this class: 947
10-year publication summary
|
78
|
102
|
87
|
116
|
110
|
134
|
103
|
103
|
92
|
34
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
53 |
| Samsung Electronics Co., Ltd. | 131630 |
49 |
| Huawei Technologies Co., Ltd. | 100781 |
49 |
| ISCO International, LLC | 212 |
47 |
| Apple Inc. | 50209 |
30 |
| Ericsson | 20417 |
25 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
22 |
| ROHDE & Schwarz GmbH & Co. KG | 1831 |
20 |
| CommScope Technologies LLC | 4937 |
18 |
| Intel Corporation | 45621 |
16 |
| Realtek Semiconductor Corp. | 3028 |
16 |
| Keysight Technologies, Inc. | 1170 |
13 |
| LG Electronics Inc. | 69257 |
10 |
| Infineon Technologies AG | 8189 |
10 |
| Hyundai Motor Company | 19021 |
9 |
| National Instruments Corporation | 842 |
8 |
| Fujitsu Limited | 19265 |
7 |
| Raytheon Company | 8535 |
7 |
| NPX B.V. | 2204 |
7 |
| Mediatek Inc. | 4584 |
7 |
| Other owners | 524 |