- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/69 - 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 specially adapted for fluids
Patent holdings for IPC class G01N 21/69
Total number of patents in this class: 101
10-year publication summary
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4
|
7
|
6
|
9
|
9
|
10
|
6
|
10
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5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Meso Scale Technologies, LLC | 406 |
12 |
| 2S Water Incorporated | 21 |
12 |
| Essenlix Corporation, DBA Essenlix Corporation | 290 |
10 |
| Roche Diagnostics Operations, Inc. | 1498 |
6 |
| ARKRAY, Inc. | 867 |
4 |
| Heraeus Electro-Nite International N.V. | 205 |
4 |
| Oulun Yliopisto | 96 |
3 |
| Hitachi High-Technologies Corporation | 2002 |
2 |
| Ecolab Inc. | 408 |
2 |
| Heinrich-heine-universitat Dusseldorf | 79 |
2 |
| Sysmex Corporation | 1436 |
2 |
| InnoTech Alberta Inc. | 59 |
2 |
| Universidad Politecnica de Cartagena | 23 |
2 |
| Hitachi High-Tech Corporation | 5364 |
2 |
| Samsung Electronics Co., Ltd. | 147501 |
1 |
| F. Hoffmann-La Roche AG | 7941 |
1 |
| Roche Diagnostics GmbH | 2695 |
1 |
| Sony Corporation | 30936 |
1 |
| Sony Corporation of America | 366 |
1 |
| Centre National de La Recherche Scientifique | 10516 |
1 |
| Other owners | 30 |