- All sections
- C - Chemistrymetallurgy
- C07K - Peptides
- C07K 1/34 - ExtractionSeparationPurification by filtration, ultrafiltration or reverse osmosis
Patent holdings for IPC class C07K 1/34
Total number of patents in this class: 1090
10-year publication summary
|
64
|
68
|
62
|
79
|
94
|
89
|
99
|
99
|
78
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Genentech, Inc. | 4045 |
31 |
| Amgen Inc. | 4304 |
31 |
| EMD Millipore Corporation | 640 |
30 |
| Regeneron Pharmaceuticals, Inc. | 4531 |
17 |
| Green Cross Corporation | 207 |
14 |
| Solventum Intellectual Properties Company | 3360 |
14 |
| Bristol-myers Squibb Company | 4795 |
13 |
| F. Hoffmann-La Roche AG | 7878 |
12 |
| Takeda Pharmaceutical Company Limited | 2713 |
11 |
| FUJIFILM Diosynth Biotechnologies UK Limited | 86 |
11 |
| Asahi Kasei Life Science Corporation | 68 |
10 |
| Laboratoire Francais du Fractionnement et des Biotechnologies | 295 |
9 |
| Hoffmann-La Roche Inc. | 3620 |
8 |
| Asahi Kasei Medical Co., Ltd. | 234 |
8 |
| CSL Behring AG | 181 |
8 |
| Green Cross Holdings Corporation | 53 |
8 |
| Sartorius Stedim Biotech GmbH | 863 |
8 |
| Chugai Seiyaku Kabushiki Kaisha | 1383 |
7 |
| CSL Limited | 252 |
7 |
| Genzyme Corporation | 1320 |
7 |
| Other owners | 826 |