- 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: 3993
10-year publication summary
307
|
315
|
218
|
216
|
228
|
244
|
183
|
214
|
205
|
156
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nuctech Company Limited | 1422 |
293 |
Tsinghua University | 5937 |
182 |
FUJIFILM Corporation | 29424 |
99 |
Canon Inc. | 40015 |
94 |
Koninklijke Philips N.V. | 24750 |
77 |
Ishida Co., Ltd. | 532 |
73 |
Hamamatsu Photonics K.K. | 4419 |
64 |
Rapiscan Systems, Inc. | 291 |
64 |
GE Precision Healthcare LLC | 5468 |
63 |
Siemens Healthineers AG | 6686 |
57 |
Shimadzu Corporation | 6171 |
50 |
Nikon Corporation | 7173 |
41 |
Toshiba Medical Systems Corporation | 2122 |
36 |
Samsung Electronics Co., Ltd. | 146534 |
35 |
Analogic Corporation | 312 |
34 |
Koninklijke Philips Electronics N.V. | 9564 |
32 |
Konica Minolta, Inc. | 8751 |
32 |
Shenzhen Xpectvision Technology Co., Ltd. | 375 |
29 |
Canon Kabushiki Kaisha | 7063 |
29 |
FEI Company | 947 |
27 |
Other owners | 2582 |