- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/546 - Compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula , e.g. cephalosporins, cefaclor, cephalexine containing further heterocyclic rings, e.g. cephalothin
Patent holdings for IPC class A61K 31/546
Total number of patents in this class: 663
10-year publication summary
|
73
|
70
|
69
|
43
|
66
|
58
|
62
|
46
|
39
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shionogi & Co., Ltd. | 889 |
28 |
| Merck Sharp & Dohme LLC | 3751 |
26 |
| Wockhardt Limited | 229 |
19 |
| Theriva Biologics, Inc. | 84 |
16 |
| VenatoRx Pharmaceuticals, Inc. | 82 |
14 |
| Qpex Biopharma, Inc. | 36 |
14 |
| Insmed Incorporated | 224 |
12 |
| Zoetis Services LLC | 1553 |
11 |
| The Regents of the University of California | 19517 |
8 |
| Bioversys AG | 62 |
8 |
| Meiji Seika Pharma Co., Ltd. | 245 |
7 |
| Mutabilis | 27 |
7 |
| Alpha 1 Biologics LLC | 6 |
6 |
| Melinta Therapeutics, Inc. | 57 |
6 |
| University of Notre Dame du Lac | 549 |
6 |
| Xiangbei Welman Pharmaceutical Co., Ltd. | 29 |
6 |
| Incyte Corporation | 963 |
5 |
| Therasyn Sensors, Inc. | 11 |
5 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3043 |
5 |
| Nanjing Kangfushun Pharmaceutical Co., Ltd. | 22 |
5 |
| Other owners | 449 |