- 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: 1331
10-year publication summary
|
49
|
47
|
82
|
150
|
131
|
126
|
188
|
197
|
218
|
115
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84501 |
69 |
| Nippon Telegraph and Telephone Corporation | 17157 |
46 |
| Samsung Electronics Co., Ltd. | 144143 |
44 |
| Digital Global Systems, Inc. | 412 |
39 |
| Huawei Technologies Co., Ltd. | 110995 |
36 |
| Ericsson | 21593 |
31 |
| NEC Corporation | 35351 |
29 |
| ZTE Corporation | 42015 |
26 |
| Nokia Technologies Oy | 17558 |
25 |
| Telefonaktiebolaget LM Ericsson (publ) | 27794 |
22 |
| AT&T Intellectual Property I, L.P. | 9470 |
21 |
| Southeast University | 1393 |
21 |
| ROHDE & Schwarz GmbH & Co. KG | 1913 |
20 |
| Cisco Technology, Inc. | 19623 |
18 |
| Keysight Technologies, Inc. | 1195 |
18 |
| DEEPSIG Inc | 51 |
15 |
| Bastille Networks, Inc. | 29 |
14 |
| Mitsubishi Electric Corporation | 45811 |
13 |
| Vivo Mobile Communication Co., Ltd. | 11985 |
13 |
| Verizon Patent And Licensing Inc. | 7067 |
12 |
| Other owners | 799 |