- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 23/00 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or
Patent holdings for IPC class G01N 23/00
Total number of patents in this class: 1495
10-year publication summary
|
93
|
105
|
61
|
73
|
57
|
70
|
33
|
45
|
28
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi High-Tech Corporation | 5241 |
102 |
| FEI Company | 937 |
50 |
| Nuctech Company Limited | 1380 |
40 |
| Tsinghua University | 5840 |
26 |
| ASML Netherlands B.V. | 7312 |
21 |
| The Boeing Company | 20013 |
19 |
| The Regents of the University of California | 19812 |
16 |
| KLA-Tencor Corporation | 2546 |
15 |
| GE Precision Healthcare LLC | 5421 |
15 |
| Troxler Electronic Laboratories, Inc. | 78 |
14 |
| Hermes Microvision Incorporated B.V. | 124 |
14 |
| Applied Materials Israel, Ltd. | 601 |
12 |
| Siemens Healthineers AG | 6590 |
12 |
| General Electric Company | 13829 |
11 |
| Toshiba Medical Systems Corporation | 2127 |
11 |
| Hitachi High-Tech Science Corporation | 324 |
11 |
| Halliburton Energy Services, Inc. | 20749 |
10 |
| Ebara Corporation | 2143 |
10 |
| JEOL Ltd. | 572 |
10 |
| Shimadzu Corporation | 6132 |
9 |
| Other owners | 1067 |