- 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: 1092
10-year publication summary
|
113
|
112
|
94
|
97
|
104
|
93
|
77
|
74
|
66
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Healthineers AG | 6667 |
198 |
| Koninklijke Philips N.V. | 24740 |
121 |
| GE Precision Healthcare LLC | 5446 |
87 |
| Hyperfine Operations, Inc. | 179 |
85 |
| Toshiba Medical Systems Corporation | 2125 |
47 |
| Canon Medical Systems Corporation | 2256 |
44 |
| Synaptive Medical Inc. | 593 |
41 |
| FUJIFILM Corporation | 29329 |
38 |
| Koninklijke Philips Electronics N.V. | 9737 |
21 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1901 |
20 |
| ViewRay Systems, Inc. | 104 |
15 |
| The General Hospital Corporation | 4724 |
14 |
| Promaxo, Inc. | 52 |
14 |
| Siemens Healthcare Limited | 140 |
12 |
| Samsung Electronics Co., Ltd. | 145630 |
11 |
| Hitachi Medical Corporation | 612 |
9 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6267 |
8 |
| Hitachi, Ltd. | 15467 |
7 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10928 |
7 |
| Wisconsin Alumni Research Foundation | 3874 |
6 |
| Other owners | 287 |