- 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: 51
10-year publication summary
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3
|
1
|
2
|
2
|
1
|
3
|
1
|
2
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
4 |
| Analog Devices, Inc. | 3475 |
3 |
| Texas Instruments Incorporated | 19376 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Orise Technology Co., Ltd. | 39 |
2 |
| SnapTrack, Inc. | 650 |
2 |
| Marvell Asia PTE, Ltd. | 6841 |
2 |
| Cavium International | 5549 |
2 |
| Apple Inc. | 50209 |
1 |
| Sony Corporation | 32931 |
1 |
| Toshiba Corporation | 12017 |
1 |
| Intel Corporation | 45621 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
1 |
| Marvell International Ltd. | 1224 |
1 |
| STMicroelectronics (Grenoble 2) SAS | 587 |
1 |
| Harris Corporation | 1591 |
1 |
| Marvell World Trade Ltd. | 957 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
1 |
| Novatek Microelectronics Corp. | 1221 |
1 |
| Adtran, Inc. | 443 |
1 |
| Other owners | 20 |