- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/393 - Dc amplifiers with modulator at input and demodulator at output; Modulators 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: 74
10-year publication summary
|
4
|
12
|
8
|
7
|
5
|
6
|
4
|
7
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19376 |
5 |
| Infineon Technologies AG | 8189 |
4 |
| Semiconductor Components Industries, L.L.C. | 5345 |
3 |
| STMicroelectronics S.r.l. | 3693 |
3 |
| Analog Devices, Inc. | 3475 |
3 |
| Cirrus Logic, Inc. | 1719 |
3 |
| Analog Devices International Unlimited Company | 1724 |
3 |
| Toshiba Corporation | 12017 |
2 |
| Renesas Electronics Corporation | 6305 |
2 |
| Medtronic, Inc. | 9964 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Cirrus Logic International Semiconductor Ltd. | 792 |
2 |
| Universite de Strasbourg | 646 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Apple Inc. | 50209 |
1 |
| Qualcomm Incorporated | 76576 |
1 |
| Centre National de La Recherche Scientifique | 9632 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Ricoh Company, Ltd. | 13266 |
1 |
| Marvell International Ltd. | 1224 |
1 |
| Other owners | 31 |