- 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: 1799
10-year publication summary
|
149
|
141
|
139
|
114
|
106
|
85
|
80
|
95
|
90
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips N.V. | 25856 |
212 |
| Siemens Healthineers AG | 7068 |
176 |
| Koninklijke Philips Electronics N.V. | 7455 |
53 |
| GE Precision Healthcare LLC | 5788 |
41 |
| Toshiba Medical Systems Corporation | 2041 |
34 |
| Philips Intellectual Property & Standards GmbH | 1631 |
33 |
| Synaptive Medical Inc. | 553 |
28 |
| Hyperfine Operations, Inc. | 193 |
26 |
| FUJIFILM Corporation | 30514 |
25 |
| ClearPoint Neuro, Inc. | 131 |
24 |
| Aspect Imaging Ltd. | 134 |
20 |
| Shanghai United Imaging Healthcare Co., Ltd. | 2116 |
20 |
| General Electric Company | 13899 |
17 |
| Samsung Electronics Co., Ltd. | 157719 |
15 |
| Centre National de La Recherche Scientifique | 11023 |
15 |
| Canon Medical Systems Corporation | 1875 |
15 |
| Medtronic, Inc. | 9792 |
13 |
| The Johns Hopkins University | 5882 |
13 |
| Siemens Medical Solutions USA, Inc. | 1463 |
12 |
| ViewRay Systems, Inc. | 110 |
12 |
| Other owners | 995 |