- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 21/02 - Variable inductances or transformers of the signal type continuously variable, e.g. variometers
Patent holdings for IPC class H01F 21/02
Total number of patents in this class: 128
10-year publication summary
|
9
|
4
|
1
|
8
|
5
|
8
|
4
|
1
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25744 |
7 |
| Nucurrent, Inc. | 389 |
5 |
| TDK Corporation | 6858 |
4 |
| Intel Corporation | 47106 |
3 |
| Koninklijke Philips N.V. | 25856 |
3 |
| Via Technologies, Inc. | 1003 |
3 |
| Goodrich Actuation Systems SAS | 185 |
3 |
| Wispry, Inc. | 74 |
3 |
| Hitachi Energy Ltd. | 2579 |
3 |
| Honeywell International Inc. | 12778 |
2 |
| Centre National de La Recherche Scientifique | 11023 |
2 |
| Industrial Technology Research Institute | 5209 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
2 |
| Xilinx, Inc. | 3942 |
2 |
| Rockwell Automation Technologies, Inc. | 2803 |
2 |
| Fuji Electric Co., Ltd. | 5478 |
2 |
| Futurewei Technologies, Inc. | 3783 |
2 |
| The United States of America as represented by the Secretary of the Army | 1255 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2934 |
2 |
| Ecole Superieure de Physique et de Chimie Industrielles de La Ville de Paris | 391 |
2 |
| Other owners | 72 |