- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/75 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
Patent holdings for IPC class G01N 21/75
Total number of patents in this class: 1116
10-year publication summary
|
124
|
112
|
112
|
74
|
66
|
71
|
55
|
44
|
44
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roche Diabetes Care, Inc. | 1492 |
19 |
| Ecolab USA Inc. | 5190 |
15 |
| Nicoya Lifesciences Inc. | 83 |
15 |
| Pacific Biosciences of California, Inc. | 738 |
15 |
| Charm Sciences, Inc. | 110 |
12 |
| Hitachi High-Tech Corporation | 4424 |
11 |
| Sysmex Corporation | 1418 |
10 |
| Siemens Healthcare Diagnostics Inc. | 1946 |
9 |
| LG Chem, Ltd. | 17205 |
8 |
| The Regents of the University of California | 18943 |
8 |
| Hitachi High-Technologies Corporation | 2034 |
8 |
| Qiagen GmbH | 913 |
8 |
| Halliburton Energy Services, Inc. | 20165 |
7 |
| Massachusetts Institute of Technology | 9795 |
7 |
| Precision BioSensor Inc. | 128 |
7 |
| PHC Holdings Corporation | 701 |
7 |
| Roche Diagnostics Operations, Inc. | 1375 |
6 |
| California Institute of Technology | 3884 |
6 |
| President and Fellows of Harvard College | 5792 |
6 |
| AMS Trace Metals, Inc. | 21 |
6 |
| Other owners | 926 |