- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/393 - DC amplifiers with modulator at input and demodulator at outputModulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only with field-effect devices
Patent holdings for IPC class H03F 3/393
Total number of patents in this class: 81
10-year publication summary
|
8
|
7
|
5
|
6
|
4
|
7
|
8
|
6
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19638 |
5 |
| Infineon Technologies AG | 8427 |
4 |
| Semiconductor Components Industries, L.L.C. | 5259 |
4 |
| STMicroelectronics S.r.l. | 3363 |
3 |
| Analog Devices, Inc. | 3312 |
3 |
| Cirrus Logic, Inc. | 1799 |
3 |
| Analog Devices International Unlimited Company | 2042 |
3 |
| Apple Inc. | 59414 |
2 |
| Toshiba Corporation | 12727 |
2 |
| Renesas Electronics Corporation | 5846 |
2 |
| Medtronic, Inc. | 9834 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
2 |
| Cirrus Logic International Semiconductor Ltd. | 938 |
2 |
| Universite de Strasbourg | 715 |
2 |
| Delft Semiconductor B.V. | 4 |
2 |
| Samsung Electronics Co., Ltd. | 159473 |
1 |
| Qualcomm Incorporated | 93847 |
1 |
| Centre National de La Recherche Scientifique | 11133 |
1 |
| Panasonic Corporation | 18616 |
1 |
| Ricoh Company, Ltd. | 13413 |
1 |
| Other owners | 35 |