- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/29 - Colour; Spectral 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: 281
10-year publication summary
|
23
|
13
|
15
|
32
|
23
|
31
|
26
|
29
|
22
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 18406 |
7 |
| LG Energy Solution, Ltd. | 10813 |
7 |
| F. Hoffmann-La Roche AG | 7958 |
6 |
| Unilever PLC | 3540 |
6 |
| Unilever N.V. | 3440 |
6 |
| Hindustan Unilever Limited | 1281 |
6 |
| Thermo Fisher Scientific Baltics UAB | 79 |
5 |
| The United States of America as represented by the Secretary of the Army | 1195 |
4 |
| MFB Fertility, Inc. | 27 |
4 |
| Roche Diabetes Care, Inc. | 1492 |
4 |
| UPM-Kymmene Corporation | 868 |
4 |
| The Regents of the University of California | 18943 |
3 |
| Kimberly-clark Worldwide, Inc. | 5854 |
3 |
| Avery Dennison Corporation | 1291 |
3 |
| Dots Technology Corp. | 42 |
3 |
| Pop Test LLC | 12 |
3 |
| Roche Diabetes Care GmbH | 569 |
3 |
| United Services Automobile Association (USAA) | 2514 |
3 |
| Trace Eye-D, LLC | 9 |
3 |
| Sony Corporation | 32931 |
2 |
| Other owners | 196 |