- 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: 6718
10-year publication summary
|
377
|
638
|
764
|
892
|
688
|
691
|
725
|
779
|
715
|
102
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 88742 |
866 |
| Huawei Technologies Co., Ltd. | 117973 |
681 |
| Samsung Electronics Co., Ltd. | 151303 |
576 |
| LG Electronics Inc. | 74373 |
476 |
| Ericsson | 22142 |
369 |
| Apple Inc. | 57058 |
239 |
| Telefonaktiebolaget LM Ericsson (publ) | 28541 |
238 |
| ZTE Corporation | 43369 |
191 |
| Sun Patent Trust | 2005 |
175 |
| NTT DoCoMo, Inc. | 13965 |
146 |
| Nokia Technologies Oy | 19769 |
120 |
| Intel Corporation | 46579 |
117 |
| AT&T Intellectual Property I, L.P. | 9758 |
95 |
| Interdigital Patent Holdings, Inc. | 6214 |
89 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 13694 |
86 |
| Panasonic Intellectual Property Corporation of America | 7022 |
83 |
| Datang Mobile Communications Equipment Co., Ltd | 4200 |
82 |
| Sony Corporation | 30608 |
81 |
| Lenovo (Singapore) Pte. Ltd. | 3320 |
74 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22083 |
65 |
| Other owners | 1869 |