- 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: 644
10-year publication summary
|
41
|
38
|
52
|
53
|
63
|
55
|
44
|
53
|
43
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips N.V. | 25385 |
44 |
| Hitachi, Ltd. | 15819 |
30 |
| Siemens Healthcare Limited | 142 |
28 |
| Sumitomo Heavy Industries, Ltd. | 2009 |
28 |
| GE Precision Healthcare LLC | 5614 |
25 |
| Massachusetts Institute of Technology | 10183 |
22 |
| Mitsubishi Electric Corporation | 47380 |
16 |
| Bruker Switzerland AG | 162 |
15 |
| Commonwealth Fusion Systems LLC | 90 |
15 |
| Canon Medical Systems Corporation | 2387 |
14 |
| Tokamak Energy Ltd | 197 |
12 |
| Toshiba Corporation | 12546 |
11 |
| General Electric Company | 13777 |
10 |
| Siemens Plc | 71 |
10 |
| Hefei Institutes of Physical Science, Chinese Academy of Sciences | 150 |
10 |
| Bruker BioSpin GmbH | 39 |
9 |
| Shanghai United Imaging Healthcare Co., Ltd. | 2010 |
9 |
| Toshiba Materials Co., Ltd. | 608 |
9 |
| Institute of Electrical Engineering, Chinese Academy of Sciences | 77 |
7 |
| JEOL Ltd. | 614 |
7 |
| Other owners | 313 |