- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/70 - Charge amplifiers
Patent holdings for IPC class H03F 3/70
Total number of patents in this class: 150
10-year publication summary
|
11
|
4
|
11
|
9
|
21
|
18
|
9
|
9
|
12
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ams International AG | 420 |
8 |
| Sony Semiconductor Solutions Corporation | 9714 |
7 |
| Texas Instruments Incorporated | 19432 |
6 |
| Murata Manufacturing Co., Ltd. | 23702 |
6 |
| STMicroelectronics S.r.l. | 3654 |
6 |
| Politecnico di Milano | 826 |
6 |
| Fuji Electric Co., Ltd. | 4980 |
5 |
| SiTime Corporation | 191 |
5 |
| Isotopx Ltd | 15 |
5 |
| Denso Corporation | 23769 |
4 |
| Samsung Display Co., Ltd. | 32798 |
3 |
| Texas Instruments Japan, Ltd. | 1656 |
3 |
| Nippon Telegraph and Telephone Corporation | 16332 |
3 |
| InvenSense, Inc. | 1028 |
3 |
| Knowles Electronics, LLC | 605 |
3 |
| STMicroelectronics International N.V. | 2815 |
3 |
| International Business Machines Corporation | 60129 |
2 |
| Raytheon Company | 8444 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
2 |
| Novatek Microelectronics Corp. | 1272 |
2 |
| Other owners | 66 |