- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 7/20 - ElectromagnetsActuators including electromagnets without armatures
Patent holdings for IPC class H01F 7/20
Total number of patents in this class: 720
10-year publication summary
|
71
|
60
|
78
|
66
|
66
|
76
|
56
|
68
|
58
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 58122 |
16 |
| Mitsubishi Electric Corporation | 47625 |
9 |
| Boe Technology Group Co., Ltd. | 43067 |
9 |
| HI LLC, DBA Kernel | 235 |
9 |
| Murata Manufacturing Co., Ltd. | 25552 |
8 |
| International Business Machines Corporation | 62251 |
7 |
| Hitachi, Ltd. | 15904 |
7 |
| Hitachi High-Tech Corporation | 5660 |
7 |
| Correlated Magnetics Research, Inc. | 24 |
7 |
| Minebea Mitsumi Inc. | 1883 |
6 |
| Samsung Electronics Co., Ltd. | 154120 |
5 |
| Centre National de La Recherche Scientifique | 10881 |
5 |
| Hitachi Medical Corporation | 569 |
5 |
| TDK Corporation | 6813 |
5 |
| Hyundai Motor Company | 23824 |
5 |
| LG Innotek Co., Ltd. | 8200 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11013 |
5 |
| Ebara Corporation | 2270 |
5 |
| The Boeing Company | 20094 |
4 |
| Tokyo Electron Limited | 13553 |
4 |
| Other owners | 587 |