- All sections
- C - Chemistry; metallurgy
- C07K - Peptides
- C07K 1/22 - Affinity chromatography or related techniques based upon selective absorption processes
Patent holdings for IPC class C07K 1/22
Total number of patents in this class: 2032
10-year publication summary
|
145
|
159
|
164
|
147
|
173
|
160
|
189
|
179
|
149
|
42
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cytiva BioProcess R&D AB | 287 |
89 |
| Regeneron Pharmaceuticals, Inc. | 3650 |
69 |
| Kaneka Corporation | 4445 |
59 |
| EMD Millipore Corporation | 657 |
34 |
| Genentech, Inc. | 3742 |
31 |
| Amgen Inc. | 3779 |
29 |
| JSR Corporation | 2476 |
29 |
| GE Healthcare Bio-Sciences AB | 570 |
25 |
| Merck Patent GmbH | 5909 |
24 |
| Bio-Rad Laboratories, Inc. | 1592 |
21 |
| Bristol-myers Squibb Company | 5080 |
20 |
| Hoffmann-La Roche Inc. | 3060 |
20 |
| Tosoh Corporation | 1127 |
20 |
| Navigo Proteins GmbH | 101 |
19 |
| F. Hoffmann-La Roche AG | 7958 |
18 |
| Daicel Corporation | 2128 |
17 |
| Abbvie Inc. | 1808 |
16 |
| Chugai Seiyaku Kabushiki Kaisha | 1259 |
16 |
| Merck Millipore Ltd. | 46 |
16 |
| Genzyme Corporation | 1205 |
15 |
| Other owners | 1445 |