- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 33/56 - Image enhancement or correction, e.g. subtraction or averaging techniques
Patent holdings for IPC class G01R 33/56
Total number of patents in this class: 3673
10-year publication summary
|
286
|
268
|
323
|
346
|
323
|
292
|
294
|
264
|
241
|
249
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Healthineers AG | 6824 |
538 |
| Koninklijke Philips N.V. | 25172 |
363 |
| Canon Medical Systems Corporation | 2339 |
105 |
| GE Precision Healthcare LLC | 5565 |
88 |
| FUJIFILM Corporation | 29839 |
85 |
| Toshiba Medical Systems Corporation | 2106 |
84 |
| Hyperfine Operations, Inc. | 187 |
83 |
| Case Western Reserve University | 1849 |
80 |
| The General Hospital Corporation | 4801 |
77 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1971 |
67 |
| The Regents of the University of California | 20303 |
52 |
| The Board of Trustees of the Leland Stanford Junior University | 6541 |
44 |
| HeartFlow, Inc. | 481 |
38 |
| Samsung Electronics Co., Ltd. | 149198 |
36 |
| Regents of the University of Minnesota | 2739 |
34 |
| The Johns Hopkins University | 5756 |
32 |
| New York University | 1770 |
32 |
| General Electric Company | 13830 |
25 |
| Wisconsin Alumni Research Foundation | 3894 |
25 |
| Cedars-Sinai Medical Center | 1177 |
24 |
| Other owners | 1761 |