- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection 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: 592
10-year publication summary
|
58
|
43
|
39
|
52
|
55
|
65
|
55
|
44
|
54
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips N.V. | 23971 |
43 |
| Hitachi, Ltd. | 15220 |
30 |
| Siemens Healthcare Limited | 135 |
28 |
| General Electric Company | 17783 |
25 |
| Massachusetts Institute of Technology | 9912 |
20 |
| Sumitomo Heavy Industries, Ltd. | 1816 |
19 |
| Mitsubishi Electric Corporation | 44794 |
16 |
| Toshiba Corporation | 12043 |
15 |
| Bruker Switzerland AG | 142 |
15 |
| Canon Medical Systems Corporation | 2107 |
13 |
| Toshiba Materials Co., Ltd. | 631 |
12 |
| Siemens Plc | 71 |
10 |
| Commonwealth Fusion Systems LLC | 73 |
10 |
| Bruker BioSpin GmbH | 41 |
9 |
| Japan Superconductor Technology Inc. | 35 |
9 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1763 |
9 |
| Tokamak Energy Ltd | 181 |
9 |
| Hefei Institutes of Physical Science, Chinese Academy of Sciences | 136 |
9 |
| Institute of Electrical Engineering, Chinese Academy of Sciences | 78 |
7 |
| Siemens Healthineers AG | 6339 |
7 |
| Other owners | 277 |