- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 30/28 - Control of physical parameters of the fluid carrier
Patent holdings for IPC class G01N 30/28
Total number of patents in this class: 84
10-year publication summary
|
9
|
4
|
9
|
7
|
6
|
4
|
6
|
4
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimadzu Corporation | 6179 |
11 |
| Waters Technologies Corporation | 1697 |
10 |
| Roche Diagnostics Operations, Inc. | 1492 |
5 |
| Agilent Technologies, Inc. | 2638 |
5 |
| PerkinElmer U.S. LLC | 291 |
4 |
| F. Hoffmann-La Roche AG | 7947 |
3 |
| Roche Diagnostics GmbH | 2701 |
3 |
| Dionex Corporation | 329 |
3 |
| Applied Research Associates, Inc. | 185 |
2 |
| GE Healthcare Bio-Sciences AB | 541 |
2 |
| K.d. Pharma Bexbach GmbH | 35 |
2 |
| SGS North America Inc. | 31 |
2 |
| Achieve Life Sciences, Inc. | 33 |
2 |
| Siemens AG | 24453 |
1 |
| Kyocera Corporation | 13857 |
1 |
| Rohm and Haas Company | 2880 |
1 |
| Dow Global Technologies LLC | 10360 |
1 |
| The Regents of the University of Michigan | 4711 |
1 |
| ARKRAY, Inc. | 871 |
1 |
| Brock University | 60 |
1 |
| Other owners | 23 |