- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/66 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence
Patent holdings for IPC class G01N 21/66
Total number of patents in this class: 300
10-year publication summary
|
15
|
15
|
17
|
9
|
19
|
16
|
24
|
11
|
15
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Meso Scale Technologies, LLC | 408 |
41 |
| Roche Diagnostics Operations, Inc. | 1501 |
10 |
| BT Imaging Pty Ltd | 35 |
8 |
| Hitachi High-Tech Corporation | 5411 |
8 |
| Board of Regents, The University of Texas System | 5891 |
7 |
| Applied Materials, Inc. | 19005 |
6 |
| Biometro Co Ltd. | 7 |
6 |
| F. Hoffmann-La Roche AG | 7946 |
5 |
| Halliburton Energy Services, Inc. | 20991 |
5 |
| Hitachi High-Technologies Corporation | 1996 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10959 |
5 |
| Georgetown University | 616 |
4 |
| University of Maryland, Baltimore County | 261 |
4 |
| Vibrant Holdings, LLC | 71 |
4 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6119 |
4 |
| Roche Diagnostics GmbH | 2697 |
3 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5022 |
3 |
| KLA-Tencor Corporation | 2543 |
3 |
| Lumencor, Inc. | 116 |
3 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1790 |
3 |
| Other owners | 163 |