- 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: 3844
10-year publication summary
383
|
312
|
327
|
226
|
233
|
240
|
251
|
188
|
202
|
63
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nuctech Company Limited | 1275 |
271 |
Tsinghua University | 5426 |
168 |
Canon Inc. | 36841 |
92 |
FUJIFILM Corporation | 27102 |
88 |
Koninklijke Philips N.V. | 22975 |
78 |
General Electric Company | 18133 |
72 |
Rapiscan Systems, Inc. | 300 |
66 |
Ishida Co., Ltd. | 509 |
62 |
Hamamatsu Photonics K.K. | 4161 |
59 |
Siemens Healthineers AG | 5714 |
59 |
Shimadzu Corporation | 5791 |
51 |
Koninklijke Philips Electronics N.V. | 13133 |
46 |
Nikon Corporation | 7162 |
40 |
Toshiba Medical Systems Corporation | 2236 |
38 |
Samsung Electronics Co., Ltd. | 131630 |
36 |
Analogic Corporation | 317 |
34 |
Philips Intellectual Property & Standards GmbH | 2395 |
34 |
Konica Minolta, Inc. | 8349 |
29 |
Canon Kabushiki Kaisha | 6884 |
29 |
Morpho Detection, LLC | 111 |
28 |
Other owners | 2464 |