- 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: 3489
10-year publication summary
|
239
|
238
|
190
|
229
|
238
|
247
|
234
|
253
|
177
|
49
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Allergan, Inc. | 2600 |
89 |
| Antecip Bioventures II LLC | 300 |
55 |
| Janssen Pharmaceutica N.V. | 3839 |
54 |
| Astellas Pharma Inc. | 1145 |
34 |
| Novartis AG | 11238 |
32 |
| The Regents of the University of California | 18943 |
32 |
| Takeda Pharmaceutical Company Limited | 2961 |
31 |
| Sunovion Pharmaceuticals Inc. | 326 |
29 |
| Boehringer Ingelheim International GmbH | 4629 |
26 |
| Bristol-myers Squibb Company | 5080 |
25 |
| LTS Lohmann Therapie-Systeme AG | 691 |
21 |
| F. Hoffmann-La Roche AG | 7958 |
20 |
| The General Hospital Corporation | 4517 |
18 |
| Gilead Sciences, Inc. | 1879 |
18 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 2912 |
18 |
| AstraZeneca AB | 3042 |
17 |
| Merck Patent GmbH | 5909 |
17 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 762 |
17 |
| Vertex Pharmaceuticals Incorporated | 1581 |
16 |
| Centre National de La Recherche Scientifique | 9632 |
15 |
| Other owners | 2905 |