- All sections
- H - Electricity
- H04B - Transmission
- H04B 7/0452 - Multi-user MIMO systems
Patent holdings for IPC class H04B 7/0452
Total number of patents in this class: 3035
10-year publication summary
|
139
|
236
|
365
|
514
|
442
|
396
|
340
|
301
|
281
|
84
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
280 |
| Huawei Technologies Co., Ltd. | 100781 |
209 |
| LG Electronics Inc. | 69257 |
207 |
| Ericsson | 20417 |
152 |
| Samsung Electronics Co., Ltd. | 131630 |
142 |
| Intel Corporation | 45621 |
127 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
126 |
| Apple Inc. | 50209 |
101 |
| Sony Corporation | 32931 |
77 |
| Panasonic Intellectual Property Corporation of America | 7230 |
58 |
| Interdigital Patent Holdings, Inc. | 3652 |
54 |
| Atlas Global Technologies LLC | 222 |
52 |
| Electronics and Telecommunications Research Institute | 8830 |
51 |
| NTT DoCoMo, Inc. | 11501 |
44 |
| T-Mobile Innovations LLC | 3213 |
44 |
| NXP USA, Inc. | 4155 |
41 |
| Nokia Technologies Oy | 15057 |
37 |
| Marvell Asia PTE, Ltd. | 6841 |
36 |
| Nippon Telegraph and Telephone Corporation | 14195 |
35 |
| Sprint Spectrum LLC | 1640 |
35 |
| Other owners | 1127 |