- 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: 56
10-year publication summary
|
3
|
2
|
5
|
4
|
5
|
5
|
8
|
4
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19376 |
6 |
| Texas Instruments Japan, Ltd. | 1656 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Futurewei Technologies, Inc. | 3708 |
2 |
| Atmel Corporation | 1202 |
2 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1760 |
2 |
| Dockon AG | 8 |
2 |
| InvenSense, Inc. | 1014 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| NEC Corporation | 32703 |
1 |
| Ericsson | 20417 |
1 |
| Infineon Technologies AG | 8189 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| National Semiconductor Corporation | 1411 |
1 |
| Motorola Solutions, Inc. | 4355 |
1 |
| Cypress Semiconductor Corporation | 1642 |
1 |
| Realtek Semiconductor Corp. | 3028 |
1 |
| Cirrus Logic, Inc. | 1719 |
1 |
| Hewlett Packard Enterprise Development LP | 10702 |
1 |
| Advanced Semiconductor Engineering, Inc. | 1546 |
1 |
| Other owners | 24 |