- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 23/223 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
Patent holdings for IPC class G01N 23/223
Total number of patents in this class: 1353
10-year publication summary
|
79
|
109
|
77
|
90
|
102
|
92
|
100
|
113
|
93
|
97
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rigaku Corporation | 453 |
113 |
| Shimadzu Corporation | 6237 |
83 |
| HORIBA, Ltd. | 831 |
66 |
| Security Matters Ltd | 79 |
44 |
| Hitachi High-Tech Analysis Corporation | 283 |
26 |
| Sigray, Inc. | 86 |
23 |
| Icagen, LLC | 38 |
22 |
| X-Ray Optical Systems, Inc. | 58 |
21 |
| Helmut Fischer GmbH Institut fur Elektronik und Messtechnik | 163 |
20 |
| Malvern PANalytical B.V. | 132 |
20 |
| Thermo Niton Analyzers LLC | 35 |
19 |
| Nova Measuring Instruments Inc. | 70 |
19 |
| Shenzhen Xpectvision Technology Co., Ltd. | 377 |
18 |
| Soreq Nuclear Research Center | 109 |
17 |
| Evident Scientific, Inc. | 197 |
15 |
| Bruker Technologies Ltd. | 79 |
13 |
| Veracio Ltd. | 65 |
13 |
| Thermo Scientific Portable Analytical Instruments Inc. | 135 |
12 |
| Schlumberger Technology Corporation | 11089 |
11 |
| Canon Anelva Corporation | 690 |
11 |
| Other owners | 767 |