- 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: 560
10-year publication summary
|
26
|
22
|
48
|
47
|
50
|
55
|
40
|
44
|
42
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1736 |
97 |
| Shimadzu Corporation | 6220 |
60 |
| Agilent Technologies, Inc. | 2631 |
37 |
| Dionex Corporation | 324 |
19 |
| Cytiva Sweden AB | 768 |
19 |
| Hitachi High-Tech Corporation | 5431 |
13 |
| Hitachi High-Technologies Corporation | 1996 |
10 |
| FUJIFILM Diosynth Biotechnologies UK Limited | 82 |
10 |
| GE Healthcare Bio-Sciences AB | 537 |
10 |
| Board of Regents, The University of Texas System | 5912 |
9 |
| Dionex Softron GmbH | 120 |
9 |
| Sekisui Medical Co., Ltd. | 673 |
7 |
| Regeneron Pharmaceuticals, Inc. | 4394 |
6 |
| Taisho Pharmaceutical Co., Ltd. | 860 |
6 |
| F. Hoffmann-La Roche AG | 7944 |
5 |
| Generics [UK] Limited | 117 |
5 |
| Roche Diagnostics Operations, Inc. | 1502 |
4 |
| Cohesive Technologies, Inc. | 13 |
4 |
| Thermo Finnigan LLC | 637 |
4 |
| UCB Biopharma SRL | 583 |
4 |
| Other owners | 222 |