- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 33/531 - Production of immunochemical test materials
Patent holdings for IPC class G01N 33/531
Total number of patents in this class: 766
10-year publication summary
|
49
|
52
|
54
|
35
|
60
|
51
|
51
|
36
|
57
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Medical Co., Ltd. | 675 |
38 |
| Denka Company Limited | 2682 |
19 |
| FUJIFILM Corporation | 30126 |
16 |
| Fujirebio Inc. | 201 |
11 |
| Tanaka Kikinzoku Kogyo K.K. | 573 |
11 |
| Denka Seiken Co., Ltd. | 83 |
9 |
| Konica Minolta, Inc. | 8993 |
8 |
| President and Fellows of Harvard College | 6065 |
8 |
| Universitat de Valencia | 239 |
8 |
| Sumitomo Chemical Company, Limited | 9064 |
7 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1419 |
7 |
| Kyowa Medex Co., Ltd. | 75 |
7 |
| NOK Corporation | 2267 |
7 |
| Siemens Healthcare Diagnostics Inc. | 2127 |
7 |
| Ventana Medical Systems, Inc. | 1053 |
7 |
| Canon Inc. | 41921 |
6 |
| Becton, Dickinson and Company | 7514 |
6 |
| Bio-Rad Laboratories, Inc. | 1613 |
6 |
| Shenzhen Yhlo Biotech Co., Ltd. | 83 |
6 |
| Canon Kabushiki Kaisha | 7204 |
6 |
| Other owners | 566 |