- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/29 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
Patent holdings for IPC class G01N 21/29
Total number of patents in this class: 357
10-year publication summary
|
15
|
32
|
23
|
32
|
28
|
54
|
34
|
39
|
13
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Unilever PLC | 3002 |
6 |
| Unilever N.V. | 2916 |
6 |
| Hindustan Unilever Limited | 1007 |
6 |
| LG Energy Solution, Ltd. | 18838 |
6 |
| F. Hoffmann-La Roche AG | 7836 |
5 |
| 3m Innovative Properties Company | 17488 |
5 |
| Thermo Fisher Scientific Baltics UAB | 87 |
5 |
| The Regents of the University of California | 20720 |
4 |
| Kimberly-clark Worldwide, Inc. | 5301 |
4 |
| The United States of America as represented by the Secretary of the Army | 1256 |
4 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1449 |
4 |
| Roche Diabetes Care, Inc. | 1496 |
4 |
| United Services Automobile Association (USAA) | 3224 |
4 |
| The Regents of the University of Michigan | 4979 |
3 |
| Avery Dennison Corporation | 1164 |
3 |
| Hach Company | 428 |
3 |
| MFB Fertility, Inc. | 30 |
3 |
| Roche Diabetes Care GmbH | 684 |
3 |
| UPM-Kymmene Corporation | 993 |
3 |
| Guardian Glass, LLC | 564 |
3 |
| Other owners | 273 |