- 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: 1806
10-year publication summary
|
109
|
114
|
121
|
115
|
116
|
124
|
146
|
136
|
132
|
32
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 5080 |
31 |
| Arena Pharmaceuticals, Inc. | 381 |
30 |
| Boehringer Ingelheim International GmbH | 4629 |
26 |
| Novartis AG | 11238 |
18 |
| Siga Technologies, Inc. | 82 |
17 |
| Dana-Farber Cancer Institute, Inc. | 2455 |
15 |
| Les Laboratoires Servier | 599 |
14 |
| Otsuka America Pharmaceutical, Inc. | 78 |
14 |
| Pfizer Inc. | 3322 |
13 |
| Raziel Therapeutics Ltd. | 16 |
13 |
| Centre National de La Recherche Scientifique | 9632 |
12 |
| Ranbaxy Laboratories Limited | 453 |
12 |
| F. Hoffmann-La Roche AG | 7958 |
11 |
| Glaxo Group Limited | 4496 |
10 |
| Janssen Pharmaceutica N.V. | 3839 |
9 |
| Corning Incorporated | 9932 |
9 |
| Astellas Pharma Inc. | 1145 |
9 |
| Eli Lilly and Company | 3645 |
9 |
| Gilead Sciences, Inc. | 1879 |
9 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 2360 |
9 |
| Other owners | 1516 |