- 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 or sparfloxacin
Patent holdings for IPC class A61K 31/496
Total number of patents in this class: 11186
10-year publication summary
|
785
|
817
|
836
|
880
|
835
|
886
|
938
|
819
|
919
|
431
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10963 |
129 |
| Janssen Pharmaceutica N.V. | 3431 |
115 |
| Boehringer Ingelheim International GmbH | 4702 |
109 |
| The Regents of the University of California | 19784 |
105 |
| Otsuka Pharmaceutical Co., Ltd. | 1496 |
95 |
| Bristol-myers Squibb Company | 4896 |
85 |
| Merck Sharp & Dohme LLC | 3738 |
79 |
| Genentech, Inc. | 3935 |
70 |
| Alkermes Pharma Ireland Limited | 272 |
66 |
| Takeda Pharmaceutical Company Limited | 2703 |
65 |
| Beyondspring Pharmaceuticals, Inc. | 84 |
63 |
| Abbvie Inc. | 1795 |
62 |
| F. Hoffmann-La Roche AG | 7912 |
61 |
| Astellas Pharma Inc. | 1083 |
59 |
| Board of Regents, The University of Texas System | 5738 |
57 |
| Daiichi Sankyo Company, Limited | 1849 |
56 |
| Hoffmann-La Roche Inc. | 3357 |
53 |
| Centre National de La Recherche Scientifique | 10284 |
52 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3358 |
52 |
| Arvinas Operations, Inc. | 219 |
52 |
| Other owners | 9701 |