- 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: 44
10-year publication summary
|
4
|
3
|
6
|
4
|
2
|
3
|
6
|
5
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Georgia Tech Research Corporation | 2736 |
4 |
| Ericsson | 21759 |
3 |
| Huawei Technologies Co., Ltd. | 112690 |
3 |
| Qorvo US, Inc. | 2221 |
3 |
| Apple Inc. | 54937 |
2 |
| Fujitsu Limited | 18366 |
2 |
| Mitsubishi Electric Corporation | 46127 |
2 |
| Nippon Telegraph and Telephone Corporation | 17346 |
2 |
| Hittite Microwave LLC | 64 |
2 |
| Avago Technologies International Sales Pte. Limited | 8759 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 27967 |
2 |
| NEC Corporation | 35687 |
1 |
| Sumitomo Electric Industries, Ltd. | 15495 |
1 |
| Texas Instruments Incorporated | 19460 |
1 |
| Raytheon Company | 8386 |
1 |
| Mediatek Inc. | 5121 |
1 |
| Motorola, Inc. | 2080 |
1 |
| Thales SA | 2338 |
1 |
| Tsinghua University | 5931 |
1 |
| Adtran, Inc. | 425 |
1 |
| Other owners | 8 |