- 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: 2210
10-year publication summary
|
144
|
130
|
162
|
137
|
157
|
165
|
143
|
137
|
129
|
7
|
| 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 | 313 |
99 |
| Regeneron Pharmaceuticals, Inc. | 4505 |
81 |
| Kaneka Corporation | 4629 |
58 |
| Genentech, Inc. | 4040 |
37 |
| Amgen Inc. | 4290 |
34 |
| EMD Millipore Corporation | 639 |
33 |
| JSR Corporation | 2546 |
33 |
| Navigo Proteins GmbH | 119 |
25 |
| Merck Patent GmbH | 5727 |
24 |
| Hoffmann-La Roche Inc. | 3602 |
23 |
| Tosoh Corporation | 1354 |
23 |
| Bristol-myers Squibb Company | 4795 |
22 |
| Bio-Rad Laboratories, Inc. | 1622 |
22 |
| Chugai Seiyaku Kabushiki Kaisha | 1387 |
19 |
| GE Healthcare Bio-Sciences AB | 526 |
19 |
| Daicel Corporation | 2426 |
18 |
| F. Hoffmann-La Roche AG | 7893 |
17 |
| Abbvie Inc. | 1820 |
16 |
| Genzyme Corporation | 1325 |
16 |
| Waters Technologies Corporation | 1757 |
16 |
| Other owners | 1575 |