- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/43 - Compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula , e.g. penicillins, penems
Patent holdings for IPC class A61K 31/43
Total number of patents in this class: 826
10-year publication summary
|
87
|
68
|
76
|
73
|
57
|
69
|
54
|
38
|
44
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 20059 |
20 |
| Wockhardt Limited | 216 |
18 |
| Theriva Biologics, Inc. | 83 |
15 |
| The Cleveland Clinic Foundation | 1574 |
10 |
| RedHill Biopharma Ltd. | 98 |
10 |
| Merck Sharp & Dohme LLC | 3760 |
10 |
| Meiji Seika Pharma Co., Ltd. | 249 |
9 |
| The Johns Hopkins University | 5709 |
8 |
| Heron Therapeutics, Inc. | 154 |
8 |
| Entasis Therapeutics Limited | 31 |
7 |
| Qpex Biopharma, Inc. | 36 |
7 |
| Sandoz AG | 1417 |
6 |
| Alpha 1 Biologics LLC | 6 |
6 |
| Centre for Digestive Diseases | 17 |
6 |
| Bayer New Zealand Limited | 12 |
5 |
| ForSight Vision4, Inc. | 135 |
5 |
| Regents of the University of Minnesota | 2699 |
5 |
| The Research Foundation for The State University of New York | 1632 |
5 |
| Theaprin Pharmaceuticals Inc. | 35 |
5 |
| University of Notre Dame du Lac | 573 |
5 |
| Other owners | 656 |