- 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: 1147
10-year publication summary
23
|
48
|
94
|
140
|
150
|
145
|
152
|
140
|
126
|
40
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nuctech Company Limited | 1275 |
60 |
Tsinghua University | 5426 |
40 |
Shimadzu Corporation | 5791 |
27 |
Canon Medical Systems Corporation | 1922 |
24 |
Koninklijke Philips N.V. | 22975 |
22 |
Shanghai United Imaging Healthcare Co., Ltd. | 1569 |
20 |
Saudi Arabian Oil Company | 11322 |
19 |
Shenzhen Xpectvision Technology Co., Ltd. | 359 |
19 |
Siemens Healthineers AG | 5714 |
19 |
General Electric Company | 18133 |
18 |
Halliburton Energy Services, Inc. | 20165 |
14 |
Analogic Corporation | 317 |
14 |
Illinois Tool Works Inc. | 11152 |
13 |
Nikon Corporation | 7162 |
13 |
FEI Company | 851 |
13 |
Carl Zeiss X-Ray Microscopy, Inc. | 91 |
12 |
MicroTec S.r.l. | 102 |
12 |
Prismatic Sensors AB | 86 |
12 |
Safran Aircraft Engines | 5739 |
12 |
Smiths Detection Inc. | 151 |
11 |
Other owners | 753 |