- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/387 - Dc amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only
Patent holdings for IPC class H03F 3/387
Total number of patents in this class: 97
10-year publication summary
|
5
|
11
|
9
|
14
|
11
|
8
|
10
|
12
|
7
|
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 |
7 |
| Infineon Technologies AG | 8189 |
4 |
| Analog Devices, Inc. | 3475 |
4 |
| Analog Devices International Unlimited Company | 1724 |
4 |
| Micron Technology, Inc. | 24960 |
3 |
| Medtronic, Inc. | 9964 |
3 |
| NPX B.V. | 2204 |
3 |
| Cirrus Logic, Inc. | 1719 |
3 |
| Heathkit Company, Inc. | 22 |
3 |
| Maxim Integrated Products, Inc. | 1041 |
3 |
| 2pai Semiconductor Co., Limited | 4 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Apple Inc. | 50209 |
2 |
| Seiko Epson Corporation | 18724 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Semiconductor Components Industries, L.L.C. | 5345 |
2 |
| STMicroelectronics S.r.l. | 3693 |
2 |
| Cypress Semiconductor Corporation | 1642 |
2 |
| Aarhus Universitet | 370 |
2 |
| Allegro Microsystems, LLC | 1206 |
2 |
| Other owners | 39 |