- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/397 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having four-membered rings, e.g. azetidine
Patent holdings for IPC class A61K 31/397
Total number of patents in this class: 1840
10-year publication summary
|
146
|
154
|
144
|
152
|
138
|
122
|
123
|
123
|
132
|
73
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10263 |
56 |
| Epicentrx, Inc. | 82 |
36 |
| Merck Sharp & Dohme LLC | 3735 |
35 |
| FUJIFILM Toyama Chemical Co., Ltd. | 114 |
26 |
| Amarin Pharmaceuticals Ireland Limited | 271 |
24 |
| Bristol-myers Squibb Company | 4729 |
23 |
| Janssen Pharmaceutica N.V. | 3171 |
21 |
| Allergan, Inc. | 2169 |
21 |
| Genentech, Inc. | 4099 |
20 |
| Boehringer Ingelheim International GmbH | 4493 |
19 |
| Incyte Corporation | 1072 |
18 |
| The Broad Institute, Inc. | 1975 |
16 |
| Bow River LLC | 23 |
16 |
| Newamsterdam Pharma B.V. | 64 |
16 |
| Ono Pharmaceutical Co., Ltd. | 422 |
15 |
| Sanofi | 4293 |
15 |
| Biogen MA Inc. | 937 |
13 |
| Anebulo Pharmaceuticals, Inc. | 17 |
13 |
| F. Hoffmann-La Roche AG | 7836 |
12 |
| Merck Sharp & Dohme Corp. | 2183 |
12 |
| Other owners | 1413 |