- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 19/04 - Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
Patent holdings for IPC class H01F 19/04
Total number of patents in this class: 195
10-year publication summary
|
9
|
23
|
19
|
16
|
18
|
8
|
13
|
10
|
11
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24409 |
21 |
| Rohm Co., Ltd. | 6414 |
16 |
| Realtek Semiconductor Corp. | 3274 |
11 |
| DSP Group Ltd. | 169 |
10 |
| Qualcomm Incorporated | 84760 |
6 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42288 |
5 |
| Samsung Electro-mechanics Co., Ltd. | 5560 |
5 |
| Qorvo US, Inc. | 2203 |
5 |
| Schneider Electric USA, Inc. | 1279 |
5 |
| Intel Corporation | 46833 |
4 |
| Sutardja, Nicholas | 5 |
4 |
| Samsung Electronics Co., Ltd. | 144675 |
3 |
| Mediatek Inc. | 5069 |
3 |
| Skyworks Solutions, Inc. | 3708 |
3 |
| Turtle Beach Corporation | 69 |
3 |
| Telefonaktiebolaget LM Ericsson (publ) | 27862 |
3 |
| Ericsson | 21642 |
2 |
| Omron Corporation | 7244 |
2 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1817 |
2 |
| Children's Hospital Medical Center | 708 |
2 |
| Other owners | 80 |