- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/403 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with carbocyclic rings, e.g. carbazole
Patent holdings for IPC class A61K 31/403
Total number of patents in this class: 1983
10-year publication summary
|
121
|
115
|
116
|
122
|
150
|
138
|
147
|
164
|
134
|
61
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arena Pharmaceuticals, Inc. | 348 |
31 |
| Boehringer Ingelheim International GmbH | 4494 |
27 |
| Bristol-myers Squibb Company | 4789 |
21 |
| Novartis AG | 10338 |
20 |
| Pfizer Inc. | 3375 |
17 |
| Dana-Farber Cancer Institute, Inc. | 2645 |
17 |
| Siga Technologies, Inc. | 82 |
17 |
| Raziel Therapeutics Ltd. | 20 |
17 |
| Otsuka Pharmaceutical Co., Ltd. | 1504 |
16 |
| Otsuka America Pharmaceutical, Inc. | 73 |
15 |
| Gilead Sciences, Inc. | 2207 |
14 |
| Centre National de La Recherche Scientifique | 10914 |
13 |
| Eli Lilly and Company | 4050 |
13 |
| Les Laboratoires Servier | 501 |
13 |
| Merck Sharp & Dohme LLC | 3737 |
11 |
| F. Hoffmann-La Roche AG | 7847 |
10 |
| Emory University | 1712 |
10 |
| Corning Incorporated | 10463 |
9 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 3154 |
9 |
| Katholieke Universiteit Leuven | 1261 |
9 |
| Other owners | 1674 |