- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 9/04 - Resonant antennas
Patent holdings for IPC class H01Q 9/04
Total number of patents in this class: 6122
10-year publication summary
|
356
|
376
|
548
|
525
|
683
|
737
|
653
|
616
|
652
|
205
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
474 |
| Apple Inc. | 50209 |
183 |
| Murata Manufacturing Co., Ltd. | 22355 |
148 |
| Huawei Technologies Co., Ltd. | 100781 |
141 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
129 |
| LG Electronics Inc. | 69257 |
97 |
| Intel Corporation | 45621 |
89 |
| Qualcomm Incorporated | 76576 |
85 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
67 |
| Rogers Corporation | 445 |
62 |
| Denso Corporation | 23338 |
57 |
| Wistron NeWeb Corporation | 710 |
56 |
| Raytheon Company | 8535 |
49 |
| DONGWOO FINE-CHEM Co., Ltd. | 1163 |
49 |
| KYOCERA AVX Components (San Diego), Inc. | 256 |
49 |
| CommScope Technologies LLC | 4937 |
42 |
| City University of Hong Kong | 684 |
41 |
| AT&T Intellectual Property I, L.P. | 9886 |
39 |
| Kyocera Corporation | 12735 |
39 |
| Kymeta Corporation | 253 |
39 |
| Other owners | 4187 |