- 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, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood pigments, e.g. hemoglobin, bilirubin
Patent holdings for IPC class G01N 33/72
Total number of patents in this class: 885
10-year publication summary
|
57
|
77
|
61
|
76
|
93
|
82
|
83
|
68
|
58
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Healthcare Diagnostics Inc. | 1946 |
32 |
| ARKRAY, Inc. | 844 |
23 |
| Beckman Coulter, Inc. | 1183 |
20 |
| Roche Diagnostics Operations, Inc. | 1375 |
15 |
| Toyobo Co., Ltd. | 2286 |
12 |
| Bio-Rad Laboratories, Inc. | 1592 |
11 |
| Kikkoman Corporation | 443 |
11 |
| Sekisui Medical Co., Ltd. | 624 |
10 |
| Sysmex Corporation | 1418 |
10 |
| F. Hoffmann-La Roche AG | 7958 |
9 |
| The General Hospital Corporation | 4517 |
9 |
| Kyowa Medex Co., Ltd. | 102 |
9 |
| Roche Diagnostics GmbH | 2745 |
8 |
| Case Western Reserve University | 1727 |
8 |
| Eiken Kagaku Kabushiki Kaisha | 156 |
8 |
| Polymer Technology Systems, Inc. | 169 |
8 |
| Abbott Laboratories | 2542 |
7 |
| Abbott Diabetes Care Inc. | 1821 |
7 |
| Terumo Kabushiki Kaisha | 5216 |
7 |
| Assistance Publique - Hopitaux de Paris | 933 |
7 |
| Other owners | 654 |