- 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: 1112
10-year publication summary
|
109
|
102
|
69
|
65
|
63
|
53
|
41
|
45
|
26
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nicoya Lifesciences Inc. | 117 |
16 |
| Pacific Biosciences of California, Inc. | 757 |
16 |
| Roche Diabetes Care, Inc. | 1493 |
15 |
| Ecolab USA Inc. | 5598 |
14 |
| Charm Sciences, Inc. | 104 |
12 |
| Hitachi High-Tech Corporation | 5468 |
12 |
| Siemens Healthcare Diagnostics Inc. | 2103 |
10 |
| Sysmex Corporation | 1436 |
10 |
| Halliburton Energy Services, Inc. | 21078 |
8 |
| LG Chem, Ltd. | 17679 |
8 |
| The Regents of the University of California | 20289 |
8 |
| Hitachi High-Technologies Corporation | 1996 |
8 |
| Massachusetts Institute of Technology | 10143 |
8 |
| Qiagen GmbH | 908 |
8 |
| Precision BioSensor Inc. | 127 |
7 |
| PHC Holdings Corporation | 716 |
7 |
| Roche Diagnostics Operations, Inc. | 1508 |
6 |
| FUJIFILM Corporation | 29817 |
6 |
| California Institute of Technology | 3997 |
6 |
| President and Fellows of Harvard College | 6036 |
6 |
| Other owners | 921 |