- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/347 - DC amplifiers in which all stages are DC-coupled with semiconductor devices only in integrated circuits
Patent holdings for IPC class H03F 3/347
Total number of patents in this class: 44
10-year publication summary
|
2
|
2
|
5
|
4
|
4
|
3
|
4
|
4
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Skyworks Solutions, Inc. | 3996 |
11 |
| Sony Semiconductor Solutions Corporation | 11994 |
5 |
| Qualcomm Incorporated | 93847 |
4 |
| Micron Technology, Inc. | 27901 |
2 |
| Texas Instruments Incorporated | 19638 |
2 |
| Raytheon Company | 8454 |
2 |
| Rohm Co., Ltd. | 6919 |
2 |
| Semiconductor Components Industries, L.L.C. | 5259 |
2 |
| STMicroelectronics International N.V. | 4277 |
2 |
| Mitsubishi Electric Corporation | 48460 |
1 |
| Huawei Technologies Co., Ltd. | 125335 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
1 |
| Lockheed Martin Corporation | 3263 |
1 |
| Sandisk Technologies Inc. | 5516 |
1 |
| Nippon Telegraph and Telephone Corporation | 15901 |
1 |
| Allegro Microsystems, LLC | 1431 |
1 |
| Silicon Integrated Systems Corp. | 83 |
1 |
| Universite Catholique de Louvain | 299 |
1 |
| Ablic Inc. | 630 |
1 |
| PR Electronics A/S | 28 |
1 |
| Other owners | 1 |