- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 6/04 - Cooling
Patent holdings for IPC class H01F 6/04
Total number of patents in this class: 651
10-year publication summary
|
43
|
39
|
52
|
55
|
66
|
58
|
45
|
54
|
45
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips N.V. | 25832 |
45 |
| Sumitomo Heavy Industries, Ltd. | 2110 |
31 |
| Hitachi, Ltd. | 16071 |
30 |
| Siemens Healthcare Limited | 146 |
30 |
| GE Precision Healthcare LLC | 5780 |
25 |
| Massachusetts Institute of Technology | 10239 |
22 |
| Mitsubishi Electric Corporation | 47971 |
16 |
| Commonwealth Fusion Systems LLC | 99 |
16 |
| Canon Medical Systems Corporation | 1875 |
15 |
| Bruker Switzerland AG | 171 |
15 |
| Tokamak Energy Ltd | 200 |
12 |
| General Electric Company | 13888 |
10 |
| Siemens Plc | 70 |
10 |
| Hefei Institutes of Physical Science, Chinese Academy of Sciences | 155 |
10 |
| Shanghai United Imaging Healthcare Co., Ltd. | 2114 |
9 |
| Toshiba Corporation | 12548 |
7 |
| Institute of Electrical Engineering, Chinese Academy of Sciences | 77 |
7 |
| JEOL Ltd. | 622 |
7 |
| Southwest Jiaotong University | 195 |
7 |
| Toshiba Materials Co., Ltd. | 564 |
7 |
| Other owners | 320 |