- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 33/385 - Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
Patent holdings for IPC class G01R 33/385
Total number of patents in this class: 1137
10-year publication summary
|
112
|
94
|
97
|
104
|
94
|
77
|
78
|
67
|
43
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Healthineers AG | 7063 |
206 |
| Koninklijke Philips N.V. | 25832 |
123 |
| GE Precision Healthcare LLC | 5780 |
94 |
| Hyperfine Operations, Inc. | 192 |
91 |
| Toshiba Medical Systems Corporation | 2042 |
47 |
| Canon Medical Systems Corporation | 1875 |
44 |
| FUJIFILM Corporation | 30512 |
40 |
| Synaptive Medical Inc. | 553 |
40 |
| Shanghai United Imaging Healthcare Co., Ltd. | 2114 |
22 |
| Promaxo, Inc. | 61 |
18 |
| Koninklijke Philips Electronics N.V. | 7494 |
17 |
| The General Hospital Corporation | 4858 |
16 |
| ViewRay Systems, Inc. | 110 |
15 |
| Siemens Healthcare Limited | 146 |
14 |
| Samsung Electronics Co., Ltd. | 157557 |
11 |
| Hitachi Medical Corporation | 552 |
8 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6181 |
8 |
| Hitachi, Ltd. | 16071 |
7 |
| Canon Inc. | 43768 |
6 |
| Wisconsin Alumni Research Foundation | 3887 |
6 |
| Other owners | 304 |