- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 30/34 - Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient
Patent holdings for IPC class G01N 30/34
Total number of patents in this class: 506
10-year publication summary
|
33
|
26
|
24
|
49
|
49
|
51
|
58
|
37
|
45
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1654 |
91 |
| Shimadzu Corporation | 5791 |
56 |
| Agilent Technologies, Inc. | 2744 |
34 |
| Dionex Corporation | 320 |
19 |
| Cytiva Sweden AB | 741 |
17 |
| Hitachi High-Tech Corporation | 4424 |
12 |
| GE Healthcare Bio-Sciences AB | 570 |
11 |
| Hitachi High-Technologies Corporation | 2034 |
10 |
| Board of Regents, The University of Texas System | 5370 |
9 |
| FUJIFILM Diosynth Biotechnologies UK Limited | 65 |
9 |
| Dionex Softron GmbH | 110 |
8 |
| Taisho Pharmaceutical Co., Ltd. | 844 |
6 |
| F. Hoffmann-La Roche AG | 7958 |
5 |
| Generics [UK] Limited | 132 |
5 |
| Regeneron Pharmaceuticals, Inc. | 3650 |
5 |
| Sekisui Medical Co., Ltd. | 624 |
5 |
| Roche Diagnostics Operations, Inc. | 1375 |
4 |
| Cohesive Technologies, Inc. | 15 |
4 |
| Thermo Finnigan LLC | 625 |
4 |
| Genentech, Inc. | 3742 |
3 |
| Other owners | 189 |