- All sections
- H - Electricity
- H04B - Transmission
- H04B 7/0456 - Selection of precoding matrices or codebooks, e.g. using matrices for antenna weighting
Patent holdings for IPC class H04B 7/0456
Total number of patents in this class: 6508
10-year publication summary
|
304
|
377
|
638
|
764
|
892
|
688
|
691
|
719
|
775
|
620
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 87067 |
835 |
| Huawei Technologies Co., Ltd. | 114620 |
650 |
| Samsung Electronics Co., Ltd. | 148173 |
554 |
| LG Electronics Inc. | 73763 |
471 |
| Ericsson | 21932 |
367 |
| Apple Inc. | 55791 |
227 |
| Telefonaktiebolaget LM Ericsson (publ) | 28388 |
227 |
| ZTE Corporation | 42831 |
179 |
| Sun Patent Trust | 2006 |
175 |
| NTT DoCoMo, Inc. | 13494 |
142 |
| Intel Corporation | 46937 |
117 |
| Nokia Technologies Oy | 18576 |
110 |
| AT&T Intellectual Property I, L.P. | 9629 |
94 |
| Interdigital Patent Holdings, Inc. | 5799 |
86 |
| Sony Corporation | 30891 |
83 |
| Panasonic Intellectual Property Corporation of America | 6879 |
83 |
| Datang Mobile Communications Equipment Co., Ltd | 4033 |
82 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 12906 |
75 |
| Lenovo (Singapore) Pte. Ltd. | 3176 |
72 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21405 |
63 |
| Other owners | 1816 |