- All sections
- H - Electricity
- H04B - Transmission
- H04B 17/30 - MonitoringTesting of propagation channels
Patent holdings for IPC class H04B 17/30
Total number of patents in this class: 384
10-year publication summary
|
22
|
37
|
47
|
52
|
48
|
36
|
32
|
40
|
27
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 86648 |
30 |
| Samsung Electronics Co., Ltd. | 147787 |
22 |
| Huawei Technologies Co., Ltd. | 114071 |
22 |
| Telefonaktiebolaget LM Ericsson (publ) | 28272 |
14 |
| ZTE Corporation | 42752 |
12 |
| NEC Corporation | 36108 |
10 |
| Ericsson | 21917 |
10 |
| ROHDE & Schwarz GmbH & Co. KG | 1956 |
10 |
| Nokia Technologies Oy | 18321 |
9 |
| Nippon Telegraph and Telephone Corporation | 17324 |
8 |
| LG Electronics Inc. | 73588 |
7 |
| Sony Corporation | 30921 |
7 |
| Cognitive Systems Corp. | 293 |
7 |
| Vivo Mobile Communication Co., Ltd. | 12537 |
7 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 12717 |
6 |
| T-Mobile USA, Inc. | 4175 |
6 |
| NTT DoCoMo, Inc. | 13342 |
5 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21251 |
5 |
| Mitsubishi Electric Corporation | 46547 |
4 |
| Dali Systems Co. Ltd. | 114 |
4 |
| Other owners | 179 |