- All sections
- H - Electricity
- H04B - Transmission
- H04B 17/21 - MonitoringTesting of receivers for calibrationMonitoringTesting of receivers for correcting measurements
Patent holdings for IPC class H04B 17/21
Total number of patents in this class: 1091
10-year publication summary
|
102
|
87
|
116
|
110
|
135
|
103
|
104
|
99
|
98
|
65
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 85322 |
74 |
| Samsung Electronics Co., Ltd. | 146092 |
63 |
| Huawei Technologies Co., Ltd. | 112438 |
52 |
| ISCO International, LLC | 235 |
50 |
| Apple Inc. | 54844 |
33 |
| Ericsson | 21747 |
32 |
| Telefonaktiebolaget LM Ericsson (publ) | 27928 |
29 |
| ROHDE & Schwarz GmbH & Co. KG | 1930 |
22 |
| Realtek Semiconductor Corp. | 3286 |
18 |
| Intel Corporation | 46962 |
17 |
| Keysight Technologies, Inc. | 1195 |
14 |
| Infineon Technologies AG | 8221 |
12 |
| LG Electronics Inc. | 73021 |
10 |
| NPX B.V. | 2541 |
10 |
| Mediatek Inc. | 5113 |
10 |
| Outdoor Wireless Networks LLC | 1952 |
10 |
| Raytheon Company | 8389 |
9 |
| Hyundai Motor Company | 21987 |
9 |
| Nokia Technologies Oy | 17808 |
9 |
| ZTE Corporation | 42423 |
8 |
| Other owners | 600 |