- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 30/02 - Column chromatography
Patent holdings for IPC class G01N 30/02
Total number of patents in this class: 3263
10-year publication summary
|
149
|
186
|
270
|
291
|
302
|
312
|
344
|
244
|
310
|
250
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimadzu Corporation | 6195 |
381 |
| Waters Technologies Corporation | 1714 |
169 |
| Agilent Technologies, Inc. | 2632 |
98 |
| Regeneron Pharmaceuticals, Inc. | 4362 |
88 |
| Saudi Arabian Oil Company | 13428 |
34 |
| Dionex Softron GmbH | 118 |
33 |
| Dionex Corporation | 326 |
29 |
| Hitachi High-Tech Corporation | 5404 |
28 |
| Thermo Finnigan LLC | 636 |
25 |
| Cytiva Sweden AB | 764 |
25 |
| The Regents of the University of Michigan | 4753 |
21 |
| Schlumberger Technology Corporation | 10914 |
19 |
| Quest Diagnostics Investments Incorporated | 404 |
19 |
| MLS Acq, Inc d/b/a Max Analytical Technology | 37 |
17 |
| Roche Diagnostics Operations, Inc. | 1502 |
16 |
| LG Chem, Ltd. | 17680 |
16 |
| Amgen Inc. | 4118 |
16 |
| Jiangnan University | 1542 |
16 |
| Rosemount Inc. | 1193 |
16 |
| PerkinElmer U.S. LLC | 289 |
16 |
| Other owners | 2181 |