- 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: 1115
10-year publication summary
|
105
|
110
|
88
|
95
|
100
|
90
|
75
|
78
|
66
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Healthineers AG | 6811 |
201 |
| Koninklijke Philips N.V. | 25125 |
121 |
| GE Precision Healthcare LLC | 5552 |
90 |
| Hyperfine Operations, Inc. | 187 |
90 |
| Toshiba Medical Systems Corporation | 2109 |
47 |
| Canon Medical Systems Corporation | 2327 |
47 |
| Synaptive Medical Inc. | 601 |
41 |
| FUJIFILM Corporation | 29797 |
39 |
| Koninklijke Philips Electronics N.V. | 8877 |
21 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1960 |
21 |
| The General Hospital Corporation | 4797 |
15 |
| Promaxo, Inc. | 52 |
15 |
| ViewRay Systems, Inc. | 108 |
15 |
| Siemens Healthcare Limited | 144 |
14 |
| Samsung Electronics Co., Ltd. | 148924 |
11 |
| Hitachi Medical Corporation | 592 |
9 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6238 |
8 |
| Hitachi, Ltd. | 15679 |
7 |
| Wisconsin Alumni Research Foundation | 3890 |
6 |
| Case Western Reserve University | 1844 |
6 |
| Other owners | 291 |