- 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: 3371
10-year publication summary
|
236
|
366
|
514
|
442
|
397
|
349
|
316
|
295
|
275
|
113
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84634 |
314 |
| Huawei Technologies Co., Ltd. | 111237 |
226 |
| LG Electronics Inc. | 72559 |
224 |
| Ericsson | 21622 |
169 |
| Samsung Electronics Co., Ltd. | 144426 |
159 |
| Telefonaktiebolaget LM Ericsson (publ) | 27825 |
143 |
| Intel Corporation | 46751 |
134 |
| Apple Inc. | 54527 |
106 |
| Sony Corporation | 31138 |
76 |
| Interdigital Patent Holdings, Inc. | 5288 |
67 |
| Panasonic Intellectual Property Corporation of America | 7622 |
66 |
| Electronics and Telecommunications Research Institute | 9358 |
57 |
| Atlas Global Technologies LLC | 236 |
57 |
| T-Mobile Innovations LLC | 3598 |
51 |
| NTT DoCoMo, Inc. | 12798 |
49 |
| Nokia Technologies Oy | 17579 |
44 |
| NXP USA, Inc. | 4281 |
42 |
| Marvell Asia PTE, Ltd. | 6561 |
40 |
| Nippon Telegraph and Telephone Corporation | 17207 |
39 |
| Sprint Spectrum LLC | 1570 |
36 |
| Other owners | 1272 |