- 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: 784
10-year publication summary
|
53
|
54
|
56
|
36
|
62
|
53
|
55
|
38
|
60
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Medical Co., Ltd. | 701 |
38 |
| Denka Company Limited | 2754 |
18 |
| FUJIFILM Corporation | 30628 |
17 |
| Fujirebio Inc. | 203 |
11 |
| Tanaka Kikinzoku Kogyo K.K. | 574 |
11 |
| Konica Minolta, Inc. | 9159 |
8 |
| Denka Seiken Co., Ltd. | 79 |
8 |
| Shenzhen Yhlo Biotech Co., Ltd. | 86 |
8 |
| Universitat de Valencia | 247 |
8 |
| Canon Inc. | 44134 |
7 |
| Sumitomo Chemical Company, Limited | 8969 |
7 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1450 |
7 |
| Kyowa Medex Co., Ltd. | 74 |
7 |
| NOK Corporation | 2316 |
7 |
| Siemens Healthcare Diagnostics Inc. | 2150 |
7 |
| Ventana Medical Systems, Inc. | 1072 |
7 |
| Becton, Dickinson and Company | 7594 |
6 |
| Bio-Rad Laboratories, Inc. | 1612 |
6 |
| Canon Kabushiki Kaisha | 7369 |
6 |
| Bruker Spatial Biology, Inc. | 289 |
6 |
| Other owners | 584 |