- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/18 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices of complementary types
Patent holdings for IPC class H03F 3/18
Total number of patents in this class: 49
10-year publication summary
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1
|
2
|
2
|
1
|
3
|
1
|
2
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 81413 |
4 |
| Huawei Technologies Co., Ltd. | 106498 |
2 |
| Analog Devices, Inc. | 3431 |
2 |
| Orise Technology Co., Ltd. | 37 |
2 |
| SnapTrack, Inc. | 605 |
2 |
| Marvell Asia PTE, Ltd. | 6565 |
2 |
| Cavium International | 5183 |
2 |
| Apple Inc. | 52607 |
1 |
| Sony Corporation | 31565 |
1 |
| Toshiba Corporation | 12037 |
1 |
| Intel Corporation | 46097 |
1 |
| Texas Instruments Incorporated | 19405 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 5191 |
1 |
| Marvell International Ltd. | 1188 |
1 |
| STMicroelectronics (Grenoble 2) SAS | 607 |
1 |
| Harris Corporation | 1515 |
1 |
| Marvell World Trade Ltd. | 949 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3730 |
1 |
| Novatek Microelectronics Corp. | 1270 |
1 |
| Adtran, Inc. | 437 |
1 |
| Other owners | 20 |