- All sections
- H - Electricity
- H04B - Transmission
- H04B 7/0404 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
Patent holdings for IPC class H04B 7/0404
Total number of patents in this class: 1181
10-year publication summary
|
23
|
27
|
60
|
137
|
177
|
190
|
177
|
168
|
164
|
65
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
228 |
| LG Electronics Inc. | 69257 |
148 |
| Samsung Electronics Co., Ltd. | 131630 |
139 |
| Nokia Technologies Oy | 15057 |
48 |
| Huawei Technologies Co., Ltd. | 100781 |
41 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
39 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
37 |
| Apple Inc. | 50209 |
35 |
| Ericsson | 20417 |
33 |
| Skyworks Solutions, Inc. | 3450 |
21 |
| Vivo Mobile Communication Co., Ltd. | 9833 |
20 |
| Intel Corporation | 45621 |
17 |
| Interdigital Patent Holdings, Inc. | 3652 |
15 |
| Sony Corporation | 32931 |
14 |
| NTT DoCoMo, Inc. | 11501 |
14 |
| ZTE Corporation | 39218 |
10 |
| Sony Group Corporation | 10730 |
10 |
| Lenovo (Singapore) Pte. Ltd. | 2853 |
9 |
| Electronics and Telecommunications Research Institute | 8830 |
8 |
| Intel IP Corporation | 2198 |
8 |
| Other owners | 287 |