- All sections
- H - Electricity
- H04B - Transmission
- H04B 17/30 - Monitoring; Testing of propagation channels
Patent holdings for IPC class H04B 17/30
Total number of patents in this class: 353
10-year publication summary
|
15
|
25
|
40
|
49
|
57
|
49
|
37
|
32
|
38
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
27 |
| Samsung Electronics Co., Ltd. | 131630 |
23 |
| Huawei Technologies Co., Ltd. | 100781 |
18 |
| ZTE Corporation | 39218 |
12 |
| Ericsson | 20417 |
11 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
11 |
| ROHDE & Schwarz GmbH & Co. KG | 1831 |
10 |
| NEC Corporation | 32703 |
9 |
| Nokia Technologies Oy | 15057 |
8 |
| LG Electronics Inc. | 69257 |
7 |
| Sony Corporation | 32931 |
7 |
| Nippon Telegraph and Telephone Corporation | 14195 |
7 |
| Cognitive Systems Corp. | 262 |
7 |
| CommScope Technologies LLC | 4937 |
6 |
| T-Mobile USA, Inc. | 3668 |
6 |
| NTT DoCoMo, Inc. | 11501 |
5 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 8764 |
5 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Dali Systems Co. Ltd. | 115 |
4 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
4 |
| Other owners | 162 |