- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 33/558 - Immunoassay; Biospecific binding assay; Materials therefor using diffusion or migration of antigen or antibody
Patent holdings for IPC class G01N 33/558
Total number of patents in this class: 1664
10-year publication summary
|
112
|
128
|
142
|
187
|
159
|
117
|
186
|
146
|
74
|
22
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Quidel Corporation | 177 |
37 |
| Ortho-Clinical Diagnostics, Inc. | 191 |
24 |
| Kimberly-clark Worldwide, Inc. | 5854 |
21 |
| Reliant Immune Diagnostics, Inc. | 65 |
20 |
| Rapid Pathogen Screening, Inc. | 60 |
19 |
| Becton, Dickinson and Company | 6712 |
18 |
| The Regents of the University of California | 18943 |
17 |
| The Jordanian Pharmaceutical Manufacturing Co. | 35 |
15 |
| Chembio Diagnostic Systems, Inc. | 62 |
14 |
| Bio-Rad Laboratories, Inc. | 1592 |
13 |
| Chengdu Lingyu Biotechnology Co., Ltd. | 14 |
13 |
| FUJIFILM Corporation | 27102 |
12 |
| Charm Sciences, Inc. | 110 |
12 |
| 3m Innovative Properties Company | 18406 |
10 |
| Church & Dwight Co., Inc. | 1845 |
10 |
| Alverix, Inc. | 45 |
10 |
| Crimson International Assets LLC | 94 |
10 |
| Sekisui Medical Co., Ltd. | 624 |
10 |
| TERRAMARK MARKENCREATION GmbH | 104 |
10 |
| SPD Swiss Precision Diagnostics GmbH | 74 |
9 |
| Other owners | 1360 |