- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 47/38 - CelluloseDerivatives thereof
Patent holdings for IPC class A61K 47/38
Total number of patents in this class: 6324
10-year publication summary
|
455
|
474
|
558
|
566
|
607
|
564
|
543
|
542
|
523
|
109
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Abbvie Inc. | 1847 |
62 |
| Daiichi Sankyo Company, Limited | 1881 |
50 |
| LTS Lohmann Therapie-Systeme AG | 690 |
49 |
| Otsuka Pharmaceutical Co., Ltd. | 1499 |
44 |
| Dow Global Technologies LLC | 10754 |
43 |
| Azurity Pharmaceuticals, Inc. | 238 |
39 |
| Astellas Pharma Inc. | 1045 |
33 |
| Allergan, Inc. | 2245 |
31 |
| Shin-Etsu Chemical Co., Ltd. | 5899 |
31 |
| Daicel Corporation | 2450 |
28 |
| Asahi Kasei Chemicals Corporation | 584 |
27 |
| Nicoventures Trading Limited | 4471 |
26 |
| Chugai Seiyaku Kabushiki Kaisha | 1394 |
25 |
| Kowa Company, Ltd. | 1232 |
23 |
| Lenz Therapeutics Operations, Inc. | 49 |
23 |
| Shionogi & Co., Ltd. | 834 |
22 |
| UPM-Kymmene Corporation | 971 |
22 |
| Xspray Pharma AB (publ) | 44 |
21 |
| Vyluma Inc. | 34 |
21 |
| Taisho Pharmaceutical Co., Ltd. | 862 |
20 |
| Other owners | 5684 |