- 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: 1112
10-year publication summary
|
101
|
86
|
116
|
108
|
134
|
103
|
103
|
95
|
98
|
84
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 86346 |
74 |
| Samsung Electronics Co., Ltd. | 147501 |
65 |
| Huawei Technologies Co., Ltd. | 113689 |
54 |
| ISCO International, LLC | 238 |
51 |
| Apple Inc. | 55387 |
34 |
| Ericsson | 21888 |
32 |
| Telefonaktiebolaget LM Ericsson (publ) | 28219 |
30 |
| ROHDE & Schwarz GmbH & Co. KG | 1951 |
22 |
| Realtek Semiconductor Corp. | 3305 |
18 |
| Intel Corporation | 47143 |
17 |
| Keysight Technologies, Inc. | 1200 |
15 |
| Infineon Technologies AG | 8250 |
12 |
| Mediatek Inc. | 5156 |
12 |
| LG Electronics Inc. | 73531 |
10 |
| NPX B.V. | 2566 |
10 |
| Nokia Technologies Oy | 18229 |
10 |
| Outdoor Wireless Networks LLC | 1982 |
10 |
| Raytheon Company | 8393 |
9 |
| Hyundai Motor Company | 22257 |
9 |
| NEC Corporation | 35935 |
8 |
| Other owners | 610 |