- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 1/38 - Positive-feedback circuit arrangements without negative feedback
Patent holdings for IPC class H03F 1/38
Total number of patents in this class: 60
10-year publication summary
|
2
|
5
|
4
|
5
|
5
|
8
|
7
|
3
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19479 |
7 |
| Texas Instruments Japan, Ltd. | 1656 |
2 |
| Huawei Technologies Co., Ltd. | 109418 |
2 |
| Futurewei Technologies, Inc. | 3739 |
2 |
| Atmel Corporation | 1032 |
2 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1817 |
2 |
| Dockon AG | 8 |
2 |
| InvenSense, Inc. | 1035 |
2 |
| Quantalrf AG | 27 |
2 |
| Qualcomm Incorporated | 83671 |
1 |
| NEC Corporation | 35062 |
1 |
| Ericsson | 21405 |
1 |
| Infineon Technologies AG | 8180 |
1 |
| Mitsubishi Electric Corporation | 45461 |
1 |
| National Semiconductor Corporation | 1130 |
1 |
| ZTE Corporation | 41701 |
1 |
| Motorola Solutions, Inc. | 4353 |
1 |
| Cypress Semiconductor Corporation | 1748 |
1 |
| Realtek Semiconductor Corp. | 3243 |
1 |
| Cirrus Logic, Inc. | 1761 |
1 |
| Other owners | 26 |