- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 33/58 - Calibration of imaging systems, e.g. using test probes
Patent holdings for IPC class G01R 33/58
Total number of patents in this class: 629
10-year publication summary
|
62
|
62
|
68
|
79
|
59
|
30
|
45
|
29
|
38
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Healthineers AG | 6349 |
100 |
| Koninklijke Philips N.V. | 23999 |
53 |
| Hyperfine Operations, Inc. | 172 |
30 |
| Koninklijke Philips Electronics N.V. | 10844 |
17 |
| Canon Medical Systems Corporation | 2110 |
15 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1766 |
13 |
| Synaptive Medical Inc. | 620 |
13 |
| General Electric Company | 17789 |
11 |
| Modus Medical Devices Inc., AKA Modus QA | 17 |
11 |
| FUJIFILM Corporation | 28805 |
10 |
| Case Western Reserve University | 1770 |
9 |
| GE Precision Healthcare LLC | 1911 |
9 |
| Eidgenossische Technische Hochschule (eth) | 20 |
8 |
| Universitat Zurich | 637 |
8 |
| Philips Intellectual Property & Standards GmbH | 2112 |
8 |
| The General Hospital Corporation | 4650 |
7 |
| Psychology Software Tools, Inc. | 9 |
7 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3043 |
7 |
| Samsung Electronics Co., Ltd. | 139001 |
6 |
| Toshiba Medical Systems Corporation | 2157 |
6 |
| Other owners | 281 |