- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 23/02 - 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
Patent holdings for IPC class G01N 23/02
Total number of patents in this class: 445
10-year publication summary
|
20
|
32
|
41
|
25
|
37
|
18
|
32
|
19
|
24
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nuctech Company Limited | 1478 |
33 |
| Tsinghua University | 6217 |
21 |
| American Science and Engineering, Inc. | 99 |
9 |
| Troxler Electronic Laboratories, Inc. | 82 |
9 |
| Saudi Arabian Oil Company | 14248 |
7 |
| Rapiscan Systems, Inc. | 283 |
6 |
| Samsung Electronics Co., Ltd. | 157946 |
5 |
| Halliburton Energy Services, Inc. | 21320 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11124 |
5 |
| HORIBA, Ltd. | 890 |
5 |
| Mochii, Inc. | 19 |
5 |
| Riken | 1717 |
5 |
| Nuctech (Beijing) Company Limited | 49 |
5 |
| Koninklijke Philips N.V. | 25873 |
4 |
| Nikon Metrology, NV | 63 |
4 |
| Nordson Corporation | 1202 |
4 |
| Sigray, Inc. | 88 |
4 |
| Smiths Detection Inc. | 126 |
4 |
| Smiths Heimann GmbH | 124 |
4 |
| Quaesta Instruments, LLC | 12 |
4 |
| Other owners | 297 |