- 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: 6190
10-year publication summary
|
364
|
455
|
474
|
558
|
566
|
607
|
563
|
541
|
542
|
472
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Abbvie Inc. | 1812 |
61 |
| Daiichi Sankyo Company, Limited | 1878 |
50 |
| LTS Lohmann Therapie-Systeme AG | 717 |
49 |
| Dow Global Technologies LLC | 10509 |
43 |
| Otsuka Pharmaceutical Co., Ltd. | 1499 |
43 |
| Azurity Pharmaceuticals, Inc. | 213 |
37 |
| Astellas Pharma Inc. | 1056 |
33 |
| Allergan, Inc. | 2315 |
29 |
| Shin-Etsu Chemical Co., Ltd. | 5745 |
29 |
| Asahi Kasei Chemicals Corporation | 635 |
28 |
| Daicel Corporation | 2398 |
28 |
| Chugai Seiyaku Kabushiki Kaisha | 1375 |
26 |
| Nicoventures Trading Limited | 4192 |
26 |
| Shionogi & Co., Ltd. | 839 |
23 |
| Kowa Company, Ltd. | 1196 |
22 |
| UPM-Kymmene Corporation | 951 |
22 |
| Lenz Therapeutics Operations, Inc. | 45 |
22 |
| Xspray Pharma AB (publ) | 41 |
21 |
| FUJIFILM Corporation | 29752 |
20 |
| Jiangsu Hengrui Medicine Co., Ltd. | 709 |
20 |
| Other owners | 5558 |