- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/216 - Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acids having aromatic rings, e.g. benactizyne, clofibrate
Patent holdings for IPC class A61K 31/216
Total number of patents in this class: 2301
10-year publication summary
|
235
|
194
|
202
|
222
|
171
|
212
|
226
|
162
|
145
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sichuan Jiuzhang Biological Science and Technology Co., Ltd | 67 |
59 |
| Novartis AG | 11297 |
28 |
| io Therapeutics, Inc. | 117 |
28 |
| Apnimed, Inc. (Delaware) | 47 |
27 |
| Kao Corporation | 4898 |
25 |
| Corsair Pharma, Inc. | 36 |
16 |
| Yissum Research Development Company of The Hebrew University of Jerusalem Ltd. | 1356 |
16 |
| Infirst Healthcare Limited | 62 |
15 |
| Sichuan Jiuzhang Bio-technology Co., Ltd. | 15 |
15 |
| The Regents of the University of California | 19479 |
14 |
| Allergan, Inc. | 2445 |
14 |
| Horizon Therapeutics, LLC | 25 |
14 |
| Genfit | 265 |
13 |
| Hisamitsu Pharmaceutical Co., Inc. | 777 |
12 |
| Mati Therapeutics Inc. | 66 |
12 |
| The Research Foundation for The State University of New York | 1547 |
12 |
| Rush University Medical Center | 307 |
12 |
| Impax Laboratories, LLC | 24 |
12 |
| Société des Produits Nestlé S.A. | 9224 |
11 |
| Insmed Incorporated | 220 |
11 |
| Other owners | 1935 |