- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 33/72 - Chemical analysis of biological material, e.g. blood, urineTesting involving biospecific ligand binding methodsImmunological testing involving blood pigments, e.g. hemoglobin, bilirubin
Patent holdings for IPC class G01N 33/72
Total number of patents in this class: 921
10-year publication summary
|
77
|
61
|
76
|
93
|
82
|
85
|
69
|
60
|
66
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Healthcare Diagnostics Inc. | 2009 |
34 |
| ARKRAY, Inc. | 848 |
24 |
| Roche Diagnostics Operations, Inc. | 1436 |
19 |
| Beckman Coulter, Inc. | 1232 |
19 |
| Toyobo Co., Ltd. | 2426 |
12 |
| Kikkoman Corporation | 462 |
11 |
| Sekisui Medical Co., Ltd. | 652 |
11 |
| Case Western Reserve University | 1774 |
10 |
| Eiken Kagaku Kabushiki Kaisha | 157 |
10 |
| F. Hoffmann-La Roche AG | 7951 |
9 |
| The General Hospital Corporation | 4651 |
9 |
| Bio-Rad Laboratories, Inc. | 1616 |
9 |
| Kyowa Medex Co., Ltd. | 97 |
9 |
| Sysmex Corporation | 1429 |
9 |
| Universite Paris-est Creteil Val de Marne | 187 |
9 |
| Roche Diagnostics GmbH | 2696 |
8 |
| Abbott Diabetes Care Inc. | 1915 |
8 |
| Abbott Laboratories | 2460 |
7 |
| Terumo Kabushiki Kaisha | 5399 |
7 |
| Assistance Publique - Hopitaux de Paris | 987 |
7 |
| Other owners | 680 |