- 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: 2949
10-year publication summary
|
154
|
190
|
285
|
298
|
309
|
311
|
320
|
207
|
294
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimadzu Corporation | 6010 |
337 |
| Waters Technologies Corporation | 1674 |
159 |
| Agilent Technologies, Inc. | 2674 |
77 |
| Regeneron Pharmaceuticals, Inc. | 3980 |
74 |
| Dionex Softron GmbH | 117 |
30 |
| Dionex Corporation | 329 |
26 |
| Saudi Arabian Oil Company | 12423 |
24 |
| Hitachi High-Tech Corporation | 5040 |
23 |
| Cytiva Sweden AB | 751 |
22 |
| Thermo Finnigan LLC | 640 |
20 |
| Quest Diagnostics Investments Incorporated | 427 |
18 |
| MLS Acq, Inc d/b/a Max Analytical Technology | 37 |
17 |
| PerkinElmer U.S. LLC | 300 |
17 |
| LG Chem, Ltd. | 17637 |
16 |
| Jiangnan University | 1476 |
16 |
| Schlumberger Technology Corporation | 10241 |
14 |
| Sekisui Medical Co., Ltd. | 651 |
14 |
| DH Technologies Development Pte. Ltd. | 1056 |
14 |
| Endo Operations Limited | 355 |
14 |
| Roche Diagnostics Operations, Inc. | 1431 |
13 |
| Other owners | 2004 |