- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 21/08 - Variable inductances or transformers of the signal type continuously variable, e.g. variometers by varying the permeability of the core, e.g. by varying magnetic bias
Patent holdings for IPC class H01F 21/08
Total number of patents in this class: 72
10-year publication summary
|
9
|
7
|
4
|
1
|
2
|
1
|
4
|
1
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mine Site Technologies Pty Ltd | 11 |
5 |
| Murata Manufacturing Co., Ltd. | 25893 |
3 |
| ABB Schweiz AG | 7703 |
3 |
| Alfred E. Mann Foundation for Scientific Research | 393 |
3 |
| Kyosan Electric Mfg. Co., Ltd. | 183 |
3 |
| Elan Research - 9456-4424 Québec Inc. | 5 |
3 |
| Qualcomm Incorporated | 93172 |
2 |
| Siemens AG | 23972 |
2 |
| TDK Corporation | 6960 |
2 |
| The Board of Trustees of the University of Illinois | 2755 |
2 |
| University of South Carolina | 855 |
2 |
| Winchester Technologies, LLC | 6 |
2 |
| Samsung Display Co., Ltd. | 39012 |
1 |
| The Boeing Company | 20197 |
1 |
| Intel Corporation | 46449 |
1 |
| Texas Instruments Incorporated | 19639 |
1 |
| Renesas Electronics Corporation | 5860 |
1 |
| Koninklijke Philips N.V. | 25999 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 6151 |
1 |
| Kyocera Corporation | 14445 |
1 |
| Other owners | 32 |