- 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: 5370
10-year publication summary
129
|
304
|
380
|
644
|
776
|
901
|
694
|
685
|
722
|
255
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 76576 |
635 |
Huawei Technologies Co., Ltd. | 100781 |
540 |
Samsung Electronics Co., Ltd. | 131630 |
456 |
LG Electronics Inc. | 69257 |
437 |
Ericsson | 20417 |
324 |
Apple Inc. | 50209 |
205 |
Telefonaktiebolaget LM Ericsson (publ) | 26435 |
183 |
Sun Patent Trust | 1972 |
162 |
ZTE Corporation | 39218 |
121 |
NTT DoCoMo, Inc. | 11501 |
111 |
Intel Corporation | 45621 |
106 |
AT&T Intellectual Property I, L.P. | 9886 |
94 |
Sony Corporation | 32931 |
87 |
Nokia Technologies Oy | 15057 |
80 |
Datang Mobile Communications Equipment Co., Ltd | 3210 |
73 |
Panasonic Intellectual Property Corporation of America | 7230 |
71 |
Lenovo (Singapore) Pte. Ltd. | 2853 |
60 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
53 |
Interdigital Patent Holdings, Inc. | 3652 |
51 |
NEC Corporation | 32703 |
50 |
Other owners | 1471 |