- All sections
- H - Electricity
- H04B - Transmission
- H04B 7/04 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
Patent holdings for IPC class H04B 7/04
Total number of patents in this class: 9115
10-year publication summary
|
1185
|
1154
|
865
|
594
|
370
|
268
|
240
|
160
|
175
|
105
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
1115 |
| Samsung Electronics Co., Ltd. | 131630 |
679 |
| Qualcomm Incorporated | 76576 |
666 |
| Huawei Technologies Co., Ltd. | 100781 |
614 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
390 |
| Intel Corporation | 45621 |
308 |
| Ericsson | 20417 |
251 |
| ZTE Corporation | 39218 |
222 |
| Apple Inc. | 50209 |
204 |
| NTT DoCoMo, Inc. | 11501 |
160 |
| Sharp Kabushiki Kaisha | 18957 |
138 |
| Sony Corporation | 32931 |
129 |
| NEC Corporation | 32703 |
128 |
| Panasonic Corporation | 20786 |
110 |
| Sun Patent Trust | 1972 |
99 |
| Electronics and Telecommunications Research Institute | 8830 |
81 |
| Nokia Solutions And Networks Oy | 5698 |
79 |
| Interdigital Patent Holdings, Inc. | 3652 |
77 |
| Alcatel Lucent | 4720 |
72 |
| Avago Technologies International Sales Pte. Limited | 9260 |
70 |
| Other owners | 3523 |