- 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: 1122
10-year publication summary
|
76
|
82
|
71
|
89
|
111
|
99
|
112
|
103
|
84
|
56
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Genentech, Inc. | 4104 |
32 |
| Amgen Inc. | 4427 |
32 |
| EMD Millipore Corporation | 631 |
27 |
| Regeneron Pharmaceuticals, Inc. | 4701 |
18 |
| Green Cross Corporation | 219 |
15 |
| Bristol-myers Squibb Company | 4742 |
13 |
| Solventum Intellectual Properties Company | 3415 |
13 |
| Asahi Kasei Life Science Corporation | 75 |
12 |
| F. Hoffmann-La Roche AG | 7837 |
11 |
| FUJIFILM Diosynth Biotechnologies UK Limited | 89 |
11 |
| Takeda Pharmaceutical Company Limited | 2712 |
10 |
| Laboratoire Francais du Fractionnement et des Biotechnologies | 298 |
10 |
| Sartorius Stedim Biotech GmbH | 875 |
9 |
| Hoffmann-La Roche Inc. | 3793 |
8 |
| Asahi Kasei Medical Co., Ltd. | 232 |
8 |
| Chugai Seiyaku Kabushiki Kaisha | 1423 |
8 |
| CSL Behring AG | 185 |
8 |
| Genzyme Corporation | 1368 |
8 |
| Green Cross Holdings Corporation | 51 |
8 |
| Plasma Technologies, LLC | 25 |
7 |
| Other owners | 854 |