- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
Patent holdings for IPC class G01N 23/046
Total number of patents in this class: 1529
10-year publication summary
|
94
|
140
|
150
|
145
|
152
|
151
|
139
|
201
|
138
|
47
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nuctech Company Limited | 1440 |
101 |
| Tsinghua University | 6112 |
74 |
| Shimadzu Corporation | 6306 |
33 |
| GE Precision Healthcare LLC | 5695 |
33 |
| Canon Medical Systems Corporation | 2434 |
27 |
| Saudi Arabian Oil Company | 13953 |
26 |
| FUJIFILM Corporation | 30277 |
24 |
| Koninklijke Philips N.V. | 25624 |
23 |
| Carl Zeiss X-Ray Microscopy, Inc. | 114 |
23 |
| Siemens Healthineers AG | 6968 |
23 |
| Shanghai United Imaging Healthcare Co., Ltd. | 2065 |
20 |
| Shenzhen Xpectvision Technology Co., Ltd. | 377 |
20 |
| Safran Aircraft Engines | 6551 |
16 |
| Lumafield, Inc. | 51 |
16 |
| Analogic Corporation | 315 |
15 |
| Halliburton Energy Services, Inc. | 21217 |
14 |
| Illinois Tool Works Inc. | 11742 |
14 |
| Nikon Corporation | 7306 |
14 |
| FEI Company | 1042 |
13 |
| General Electric Company | 13806 |
12 |
| Other owners | 988 |