- 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: 2563
10-year publication summary
129
|
154
|
190
|
284
|
297
|
296
|
277
|
250
|
175
|
60
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Shimadzu Corporation | 5791 |
275 |
Waters Technologies Corporation | 1654 |
134 |
Agilent Technologies, Inc. | 2744 |
66 |
Regeneron Pharmaceuticals, Inc. | 3650 |
51 |
Dionex Softron GmbH | 110 |
30 |
Dionex Corporation | 320 |
24 |
Saudi Arabian Oil Company | 11322 |
20 |
Cytiva Sweden AB | 741 |
19 |
PerkinElmer U.S. LLC | 312 |
17 |
LG Chem, Ltd. | 17205 |
15 |
Thermo Finnigan LLC | 625 |
15 |
Quest Diagnostics Investments Incorporated | 432 |
15 |
MLS Acq, Inc d/b/a Max Analytical Technology | 36 |
15 |
The Regents of the University of Michigan | 4409 |
14 |
Jiangnan University | 1410 |
14 |
Hitachi High-Tech Corporation | 4424 |
14 |
ExxonMobil Research And Engineering Company | 2830 |
13 |
Par Pharmaceutical, Inc. | 72 |
13 |
Schlumberger Technology Corporation | 9690 |
12 |
Daicel Corporation | 2128 |
12 |
Other owners | 1775 |