- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/22 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with tubes only
Patent holdings for IPC class H03F 3/22
Total number of patents in this class: 29
10-year publication summary
|
4
|
4
|
3
|
1
|
2
|
3
|
2
|
2
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 93957 |
2 |
| General Electric Company | 14021 |
2 |
| Huawei Technologies Co., Ltd. | 125590 |
2 |
| ARRIS Enterprises LLC | 3393 |
2 |
| GE Precision Healthcare LLC | 5831 |
2 |
| Real Analog, LLC | 2 |
2 |
| International Business Machines Corporation | 62871 |
1 |
| Texas Instruments Incorporated | 19643 |
1 |
| Robert Bosch GmbH | 44427 |
1 |
| Microsoft Technology Licensing, LLC | 54706 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8470 |
1 |
| Nokia Technologies Oy | 22034 |
1 |
| Advanced Energy Industries, Inc. | 474 |
1 |
| Advanced Fusion Systems LLC | 69 |
1 |
| Centre National d'Etudes Spatiales (C.N.E.S.) | 119 |
1 |
| Gibson Brands, Inc. | 56 |
1 |
| Google LLC | 44941 |
1 |
| Qorvo US, Inc. | 2442 |
1 |
| ROHDE & Schwarz GmbH & Co. KG | 1998 |
1 |
| Tesat-Spacecom GmbH & Co. KG | 76 |
1 |
| Other owners | 3 |