- 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: 5984
10-year publication summary
|
401
|
503
|
510
|
608
|
627
|
683
|
615
|
577
|
554
|
253
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Abbvie Inc. | 1802 |
58 |
| Daiichi Sankyo Company, Limited | 1852 |
48 |
| LTS Lohmann Therapie-Systeme AG | 692 |
48 |
| Dow Global Technologies LLC | 10354 |
43 |
| Otsuka Pharmaceutical Co., Ltd. | 1502 |
37 |
| Azurity Pharmaceuticals, Inc. | 210 |
37 |
| Astellas Pharma Inc. | 1086 |
35 |
| Shin-Etsu Chemical Co., Ltd. | 5598 |
28 |
| Asahi Kasei Chemicals Corporation | 686 |
28 |
| Daicel Corporation | 2329 |
28 |
| Allergan, Inc. | 2362 |
27 |
| Chugai Seiyaku Kabushiki Kaisha | 1334 |
25 |
| Nicoventures Trading Limited | 3797 |
25 |
| Shionogi & Co., Ltd. | 867 |
24 |
| Kowa Company, Ltd. | 1195 |
23 |
| UPM-Kymmene Corporation | 934 |
22 |
| Xspray Pharma AB (publ) | 44 |
21 |
| FUJIFILM Corporation | 29228 |
20 |
| Jiangsu Hengrui Medicine Co., Ltd. | 706 |
20 |
| Taisho Pharmaceutical Co., Ltd. | 862 |
20 |
| Other owners | 5367 |