- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene
Patent holdings for IPC class A61K 31/496
Total number of patents in this class: 10290
10-year publication summary
|
779
|
785
|
817
|
833
|
877
|
827
|
875
|
908
|
748
|
213
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 11238 |
137 |
| Janssen Pharmaceutica N.V. | 3839 |
135 |
| Boehringer Ingelheim International GmbH | 4629 |
116 |
| Bristol-myers Squibb Company | 5080 |
87 |
| Otsuka Pharmaceutical Co., Ltd. | 1426 |
86 |
| The Regents of the University of California | 18943 |
82 |
| Astellas Pharma Inc. | 1145 |
77 |
| Merck Sharp & Dohme LLC | 3689 |
75 |
| F. Hoffmann-La Roche AG | 7958 |
68 |
| Takeda Pharmaceutical Company Limited | 2961 |
68 |
| Genentech, Inc. | 3742 |
64 |
| Alkermes Pharma Ireland Limited | 307 |
64 |
| Abbvie Inc. | 1808 |
63 |
| Board of Regents, The University of Texas System | 5370 |
56 |
| Beyondspring Pharmaceuticals, Inc. | 76 |
56 |
| Daiichi Sankyo Company, Limited | 1829 |
54 |
| Vertex Pharmaceuticals Incorporated | 1581 |
53 |
| Merck Patent GmbH | 5909 |
48 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3314 |
48 |
| Hoffmann-La Roche Inc. | 3060 |
46 |
| Other owners | 8807 |