- 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: 713
10-year publication summary
|
34
|
41
|
53
|
54
|
57
|
35
|
60
|
52
|
52
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Medical Co., Ltd. | 624 |
34 |
| Denka Company Limited | 2189 |
19 |
| Denka Seiken Co., Ltd. | 95 |
11 |
| Tanaka Kikinzoku Kogyo K.K. | 589 |
11 |
| Fujirebio Inc. | 192 |
10 |
| Kyowa Medex Co., Ltd. | 102 |
9 |
| President and Fellows of Harvard College | 5792 |
8 |
| NOK Corporation | 2108 |
8 |
| Ventana Medical Systems, Inc. | 972 |
8 |
| FUJIFILM Corporation | 27102 |
7 |
| Konica Minolta, Inc. | 8349 |
7 |
| Universitat de Valencia | 207 |
7 |
| F. Hoffmann-La Roche AG | 7958 |
6 |
| The Regents of the University of California | 18943 |
6 |
| Becton, Dickinson and Company | 6712 |
6 |
| Bio-Rad Laboratories, Inc. | 1592 |
6 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1254 |
6 |
| Sumitomo Chemical Company, Limited | 8808 |
5 |
| California Institute of Technology | 3884 |
5 |
| JSR Corporation | 2476 |
5 |
| Other owners | 529 |