- 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: 588
10-year publication summary
|
24
|
49
|
49
|
52
|
58
|
42
|
46
|
45
|
37
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1792 |
97 |
| Shimadzu Corporation | 6354 |
62 |
| Agilent Technologies, Inc. | 2638 |
37 |
| Dionex Corporation | 339 |
21 |
| Cytiva Sweden AB | 790 |
19 |
| Hitachi High-Tech Corporation | 5884 |
13 |
| Hitachi High-Technologies Corporation | 1987 |
10 |
| FUJIFILM Diosynth Biotechnologies UK Limited | 89 |
10 |
| Board of Regents, The University of Texas System | 6127 |
9 |
| Dionex Softron GmbH | 131 |
9 |
| GE Healthcare Bio-Sciences AB | 508 |
9 |
| Regeneron Pharmaceuticals, Inc. | 4741 |
8 |
| Sekisui Medical Co., Ltd. | 695 |
7 |
| Taisho Pharmaceutical Co., Ltd. | 851 |
6 |
| F. Hoffmann-La Roche AG | 7816 |
5 |
| Generics [UK] Limited | 107 |
5 |
| Roche Diagnostics Operations, Inc. | 1519 |
4 |
| Genentech, Inc. | 4113 |
4 |
| Cohesive Technologies, Inc. | 13 |
4 |
| Thermo Finnigan LLC | 641 |
4 |
| Other owners | 245 |