- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 33/28 - Details of apparatus provided for in groups
Patent holdings for IPC class G01R 33/28
Total number of patents in this class: 1794
10-year publication summary
|
145
|
134
|
135
|
107
|
104
|
81
|
79
|
85
|
86
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips N.V. | 25290 |
209 |
| Siemens Healthineers AG | 6868 |
167 |
| Koninklijke Philips Electronics N.V. | 8472 |
58 |
| GE Precision Healthcare LLC | 5585 |
38 |
| Philips Intellectual Property & Standards GmbH | 1785 |
36 |
| Toshiba Medical Systems Corporation | 2101 |
34 |
| Synaptive Medical Inc. | 575 |
26 |
| Hyperfine Operations, Inc. | 187 |
26 |
| FUJIFILM Corporation | 29992 |
25 |
| ClearPoint Neuro, Inc. | 128 |
24 |
| Aspect Imaging Ltd. | 137 |
20 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1994 |
19 |
| General Electric Company | 13799 |
17 |
| NVision Imaging Technologies GmbH | 43 |
17 |
| Canon Medical Systems Corporation | 2359 |
16 |
| Samsung Electronics Co., Ltd. | 150501 |
15 |
| Centre National de La Recherche Scientifique | 10763 |
15 |
| The Johns Hopkins University | 5768 |
14 |
| Medtronic, Inc. | 9822 |
13 |
| Siemens Medical Solutions USA, Inc. | 1483 |
13 |
| Other owners | 992 |