- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 23/04 - 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
Patent holdings for IPC class G01N 23/04
Total number of patents in this class: 4030
10-year publication summary
|
307
|
315
|
218
|
216
|
228
|
244
|
183
|
215
|
205
|
208
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nuctech Company Limited | 1427 |
291 |
| Tsinghua University | 6011 |
181 |
| FUJIFILM Corporation | 29797 |
105 |
| Canon Inc. | 41007 |
95 |
| Koninklijke Philips N.V. | 25125 |
77 |
| Ishida Co., Ltd. | 536 |
75 |
| Hamamatsu Photonics K.K. | 4485 |
65 |
| Rapiscan Systems, Inc. | 292 |
64 |
| GE Precision Healthcare LLC | 5552 |
64 |
| Siemens Healthineers AG | 6811 |
58 |
| Shimadzu Corporation | 6229 |
50 |
| Nikon Corporation | 7304 |
41 |
| Toshiba Medical Systems Corporation | 2109 |
36 |
| Samsung Electronics Co., Ltd. | 148924 |
35 |
| Konica Minolta, Inc. | 8888 |
33 |
| Analogic Corporation | 313 |
32 |
| Koninklijke Philips Electronics N.V. | 8877 |
31 |
| Shenzhen Xpectvision Technology Co., Ltd. | 376 |
29 |
| Canon Kabushiki Kaisha | 7143 |
29 |
| FEI Company | 981 |
28 |
| Other owners | 2611 |