- 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: 88
10-year publication summary
|
3
|
4
|
8
|
6
|
8
|
10
|
11
|
7
|
12
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 2S Water Incorporated | 19 |
11 |
| Meso Scale Technologies, LLC | 347 |
9 |
| Essenlix Corporation, DBA Essenlix Corporation | 266 |
8 |
| Roche Diagnostics Operations, Inc. | 1375 |
6 |
| ARKRAY, Inc. | 844 |
4 |
| Heraeus Electro-Nite International N.V. | 211 |
3 |
| Oulun Yliopisto | 90 |
3 |
| Hitachi High-Technologies Corporation | 2034 |
2 |
| Ecolab Inc. | 479 |
2 |
| Heinrich-heine-universitat Dusseldorf | 76 |
2 |
| Sysmex Corporation | 1418 |
2 |
| InnoTech Alberta Inc. | 61 |
2 |
| Hitachi High-Tech Corporation | 4424 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| F. Hoffmann-La Roche AG | 7958 |
1 |
| Roche Diagnostics GmbH | 2745 |
1 |
| Sony Corporation | 32931 |
1 |
| Sony Corporation of America | 322 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Other owners | 25 |