- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/381 - Heterocyclic compounds having sulfur as a ring hetero atom having five-membered rings
Patent holdings for IPC class A61K 31/381
Total number of patents in this class: 3669
10-year publication summary
|
191
|
231
|
239
|
247
|
234
|
261
|
200
|
222
|
243
|
145
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Allergan, Inc. | 2155 |
67 |
| Antecip Bioventures II LLC | 381 |
58 |
| The Regents of the University of California | 20868 |
37 |
| Janssen Pharmaceutica N.V. | 3150 |
37 |
| Sumitomo Pharma America, Inc. | 70 |
27 |
| Bristol-myers Squibb Company | 4757 |
25 |
| Novartis AG | 10174 |
24 |
| Takeda Pharmaceutical Company Limited | 2698 |
23 |
| LTS Lohmann Therapie-Systeme AG | 679 |
22 |
| Sunovion Pharmaceuticals Inc. | 244 |
21 |
| Boehringer Ingelheim International GmbH | 4488 |
20 |
| Centre National de La Recherche Scientifique | 11092 |
19 |
| Dana-Farber Cancer Institute, Inc. | 2671 |
19 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 3295 |
19 |
| Clexio Biosciences Ltd. | 100 |
18 |
| Astellas Pharma Inc. | 1038 |
17 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 876 |
17 |
| The General Hospital Corporation | 4881 |
16 |
| Gilead Sciences, Inc. | 2243 |
16 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3339 |
16 |
| Other owners | 3151 |