- 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: 656
10-year publication summary
|
58
|
59
|
65
|
79
|
58
|
30
|
44
|
29
|
40
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Healthineers AG | 6749 |
105 |
| Koninklijke Philips N.V. | 24865 |
53 |
| Hyperfine Operations, Inc. | 183 |
32 |
| GE Precision Healthcare LLC | 5519 |
23 |
| Koninklijke Philips Electronics N.V. | 9316 |
16 |
| Canon Medical Systems Corporation | 2299 |
16 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1930 |
14 |
| Synaptive Medical Inc. | 595 |
12 |
| FUJIFILM Corporation | 29586 |
11 |
| Modus Medical Devices Inc., AKA Modus QA | 17 |
11 |
| Case Western Reserve University | 1838 |
8 |
| Eidgenossische Technische Hochschule (eth) | 20 |
8 |
| Universitat Zurich | 651 |
8 |
| The General Hospital Corporation | 4771 |
7 |
| Psychology Software Tools, Inc. | 8 |
7 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3183 |
7 |
| Philips Intellectual Property & Standards GmbH | 1877 |
7 |
| Samsung Electronics Co., Ltd. | 147622 |
6 |
| Toshiba Medical Systems Corporation | 2119 |
6 |
| President and Fellows of Harvard College | 5998 |
6 |
| Other owners | 293 |