- All sections
- H - Electricity
- H04B - Transmission
- H04B 17/391 - Modelling the propagation channel
Patent holdings for IPC class H04B 17/391
Total number of patents in this class: 1376
10-year publication summary
|
49
|
47
|
82
|
150
|
131
|
126
|
189
|
198
|
218
|
158
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 85322 |
71 |
| Nippon Telegraph and Telephone Corporation | 17341 |
47 |
| Digital Global Systems, Inc. | 453 |
46 |
| Samsung Electronics Co., Ltd. | 146092 |
44 |
| Huawei Technologies Co., Ltd. | 112438 |
38 |
| Ericsson | 21747 |
31 |
| NEC Corporation | 35652 |
30 |
| ZTE Corporation | 42423 |
26 |
| Nokia Technologies Oy | 17808 |
25 |
| AT&T Intellectual Property I, L.P. | 9508 |
22 |
| Telefonaktiebolaget LM Ericsson (publ) | 27928 |
22 |
| Southeast University | 1409 |
21 |
| ROHDE & Schwarz GmbH & Co. KG | 1930 |
20 |
| Cisco Technology, Inc. | 19918 |
18 |
| Keysight Technologies, Inc. | 1195 |
18 |
| DEEPSIG Inc | 52 |
15 |
| LG Electronics Inc. | 73021 |
14 |
| Bastille Networks, Inc. | 29 |
14 |
| Vivo Mobile Communication Co., Ltd. | 12280 |
14 |
| Mitsubishi Electric Corporation | 46093 |
13 |
| Other owners | 827 |