- 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: 97
10-year publication summary
4
|
8
|
6
|
9
|
10
|
11
|
7
|
12
|
5
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Meso Scale Technologies, LLC | 389 |
11 |
2S Water Incorporated | 19 |
11 |
Essenlix Corporation, DBA Essenlix Corporation | 278 |
10 |
Roche Diagnostics Operations, Inc. | 1436 |
6 |
ARKRAY, Inc. | 848 |
4 |
Heraeus Electro-Nite International N.V. | 205 |
3 |
Oulun Yliopisto | 93 |
3 |
Hitachi High-Technologies Corporation | 2018 |
2 |
Ecolab Inc. | 436 |
2 |
Heinrich-heine-universitat Dusseldorf | 79 |
2 |
Sysmex Corporation | 1429 |
2 |
InnoTech Alberta Inc. | 61 |
2 |
Hitachi High-Tech Corporation | 5065 |
2 |
Samsung Electronics Co., Ltd. | 139302 |
1 |
F. Hoffmann-La Roche AG | 7951 |
1 |
Roche Diagnostics GmbH | 2696 |
1 |
Sony Corporation | 31530 |
1 |
Sony Corporation of America | 345 |
1 |
Centre National de La Recherche Scientifique | 10124 |
1 |
Panasonic Intellectual Property Management Co., Ltd. | 29800 |
1 |
Other owners | 30 |