- 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: 639
10-year publication summary
|
41
|
38
|
52
|
53
|
64
|
55
|
44
|
53
|
43
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips N.V. | 25222 |
44 |
| Hitachi, Ltd. | 15745 |
30 |
| Siemens Healthcare Limited | 143 |
28 |
| Sumitomo Heavy Industries, Ltd. | 1986 |
27 |
| GE Precision Healthcare LLC | 5573 |
25 |
| Massachusetts Institute of Technology | 10167 |
21 |
| Mitsubishi Electric Corporation | 47131 |
16 |
| Bruker Switzerland AG | 161 |
15 |
| Canon Medical Systems Corporation | 2345 |
14 |
| Commonwealth Fusion Systems LLC | 87 |
14 |
| Tokamak Energy Ltd | 197 |
12 |
| Toshiba Corporation | 12550 |
11 |
| General Electric Company | 13791 |
10 |
| Siemens Plc | 71 |
10 |
| Bruker BioSpin GmbH | 39 |
9 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1973 |
9 |
| Toshiba Materials Co., Ltd. | 630 |
9 |
| Hefei Institutes of Physical Science, Chinese Academy of Sciences | 148 |
9 |
| Institute of Electrical Engineering, Chinese Academy of Sciences | 77 |
7 |
| JEOL Ltd. | 604 |
7 |
| Other owners | 312 |