- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuits; resonators
- H03H 11/12 - Frequency selective two-port networks using amplifiers with feedback
Patent holdings for IPC class H03H 11/12
Total number of patents in this class: 324
10-year publication summary
|
22
|
32
|
24
|
36
|
23
|
24
|
17
|
16
|
15
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 81758 |
26 |
| Texas Instruments Incorporated | 19418 |
12 |
| Infineon Technologies AG | 8141 |
10 |
| Samsung Electronics Co., Ltd. | 138729 |
8 |
| Mediatek Inc. | 4813 |
7 |
| Analog Devices, Inc. | 3430 |
7 |
| Anlotek Limited | 15 |
7 |
| Huawei Technologies Co., Ltd. | 106664 |
6 |
| Intel Corporation | 46119 |
5 |
| Silicon Laboratories Inc. | 1123 |
5 |
| Tensorcom, Inc. | 65 |
5 |
| University of Macau | 129 |
5 |
| Panasonic Corporation | 20322 |
4 |
| NPX B.V. | 2369 |
4 |
| Futurewei Technologies, Inc. | 3724 |
4 |
| Rambus Inc. | 2331 |
4 |
| Realtek Semiconductor Corp. | 3200 |
4 |
| Avatekh, Inc. | 16 |
4 |
| Skyworks Solutions, Inc. | 3605 |
4 |
| ST-Ericsson SA | 530 |
4 |
| Other owners | 189 |