- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
Patent holdings for IPC class H01Q 21/28
Total number of patents in this class: 2512
10-year publication summary
|
217
|
216
|
226
|
244
|
283
|
309
|
254
|
239
|
169
|
30
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 121351 |
133 |
| Apple Inc. | 46044 |
98 |
| Huawei Technologies Co., Ltd. | 89984 |
94 |
| Murata Manufacturing Co., Ltd. | 20375 |
69 |
| Qualcomm Incorporated | 69261 |
56 |
| CommScope Technologies LLC | 4863 |
45 |
| LG Electronics Inc. | 67036 |
40 |
| Sony Corporation | 36627 |
40 |
| Microsoft Technology Licensing, LLC | 48063 |
36 |
| Intel Corporation | 46058 |
35 |
| Chiun MAI Communication Systems, Inc. | 344 |
32 |
| Panasonic Corporation | 21859 |
28 |
| Yokowo Co., Ltd. | 392 |
25 |
| NEC Corporation | 30514 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 26502 |
22 |
| Wistron NeWeb Corporation | 633 |
21 |
| Ericsson | 19726 |
20 |
| Raytheon Company | 8524 |
20 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 16338 |
19 |
| BlackBerry Limited | 14025 |
18 |
| Other owners | 1639 |