- 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: 41
10-year publication summary
|
1
|
4
|
3
|
6
|
4
|
2
|
3
|
6
|
5
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ericsson | 20417 |
3 |
| Huawei Technologies Co., Ltd. | 100781 |
3 |
| Georgia Tech Research Corporation | 2453 |
3 |
| Qorvo US, Inc. | 2018 |
3 |
| Apple Inc. | 50209 |
2 |
| Fujitsu Limited | 19265 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Nippon Telegraph and Telephone Corporation | 14195 |
2 |
| Hittite Microwave LLC | 65 |
2 |
| Avago Technologies International Sales Pte. Limited | 9260 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
2 |
| Sumitomo Electric Industries, Ltd. | 14131 |
1 |
| Texas Instruments Incorporated | 19376 |
1 |
| Raytheon Company | 8535 |
1 |
| Mediatek Inc. | 4584 |
1 |
| Motorola, Inc. | 2873 |
1 |
| Thales SA | 2318 |
1 |
| Tsinghua University | 5426 |
1 |
| Adtran, Inc. | 443 |
1 |
| Allegro Microsystems, LLC | 1206 |
1 |
| Other owners | 6 |