- 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: 1953
10-year publication summary
|
107
|
105
|
105
|
107
|
120
|
119
|
128
|
140
|
128
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arena Pharmaceuticals, Inc. | 357 |
32 |
| Boehringer Ingelheim International GmbH | 4596 |
27 |
| Bristol-myers Squibb Company | 4793 |
22 |
| Novartis AG | 10511 |
20 |
| Dana-Farber Cancer Institute, Inc. | 2621 |
17 |
| Siga Technologies, Inc. | 86 |
17 |
| Pfizer Inc. | 3398 |
16 |
| Otsuka Pharmaceutical Co., Ltd. | 1504 |
16 |
| Raziel Therapeutics Ltd. | 19 |
16 |
| Otsuka America Pharmaceutical, Inc. | 70 |
15 |
| Les Laboratoires Servier | 520 |
14 |
| Eli Lilly and Company | 3951 |
13 |
| Gilead Sciences, Inc. | 2112 |
13 |
| Centre National de La Recherche Scientifique | 10726 |
12 |
| Merck Sharp & Dohme LLC | 3737 |
12 |
| F. Hoffmann-La Roche AG | 7895 |
11 |
| Emory University | 1673 |
10 |
| Corning Incorporated | 10370 |
9 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 3035 |
9 |
| Katholieke Universiteit Leuven | 1226 |
9 |
| Other owners | 1643 |