- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 1/18 - Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of distributed coupling
Patent holdings for IPC class H03F 1/18
Total number of patents in this class: 45
10-year publication summary
|
3
|
6
|
4
|
2
|
3
|
6
|
5
|
4
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Georgia Tech Research Corporation | 2950 |
4 |
| Ericsson | 22785 |
3 |
| Huawei Technologies Co., Ltd. | 123543 |
3 |
| Qorvo US, Inc. | 2401 |
3 |
| Apple Inc. | 58885 |
2 |
| Fujitsu Limited | 16883 |
2 |
| Mitsubishi Electric Corporation | 48048 |
2 |
| Nippon Telegraph and Telephone Corporation | 15923 |
2 |
| Hittite Microwave LLC | 61 |
2 |
| Avago Technologies International Sales Pte. Limited | 8552 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 28825 |
2 |
| NEC Corporation | 37005 |
1 |
| Sumitomo Electric Industries, Ltd. | 16355 |
1 |
| Texas Instruments Incorporated | 19653 |
1 |
| Raytheon Company | 8448 |
1 |
| Mediatek Inc. | 5340 |
1 |
| Analog Devices, Inc. | 3321 |
1 |
| Motorola, Inc. | 1248 |
1 |
| Thales SA | 2391 |
1 |
| Tsinghua University | 6217 |
1 |
| Other owners | 9 |