- All sections
- C - Chemistrymetallurgy
- 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: 2265
10-year publication summary
|
164
|
148
|
174
|
160
|
194
|
184
|
163
|
151
|
137
|
94
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cytiva BioProcess R&D AB | 326 |
107 |
| Regeneron Pharmaceuticals, Inc. | 4800 |
84 |
| Kaneka Corporation | 4768 |
58 |
| Genentech, Inc. | 4123 |
41 |
| Merck Patent GmbH | 5742 |
34 |
| Amgen Inc. | 4445 |
34 |
| EMD Millipore Corporation | 633 |
33 |
| Navigo Proteins GmbH | 137 |
28 |
| Hoffmann-La Roche Inc. | 3832 |
27 |
| JSR Corporation | 2554 |
24 |
| Tosoh Corporation | 1425 |
24 |
| Bristol-myers Squibb Company | 4757 |
23 |
| Bio-Rad Laboratories, Inc. | 1611 |
22 |
| Chugai Seiyaku Kabushiki Kaisha | 1424 |
20 |
| F. Hoffmann-La Roche AG | 7796 |
19 |
| Daicel Corporation | 2557 |
19 |
| Waters Technologies Corporation | 1800 |
19 |
| GE Healthcare Bio-Sciences AB | 506 |
17 |
| Genzyme Corporation | 1383 |
17 |
| Abbvie Inc. | 1798 |
16 |
| Other owners | 1599 |