- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/435 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
Patent holdings for IPC class A61K 31/435
Total number of patents in this class: 2280
10-year publication summary
|
155
|
167
|
130
|
166
|
140
|
118
|
114
|
127
|
146
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 11238 |
36 |
| F. Hoffmann-La Roche AG | 7958 |
33 |
| Janssen Pharmaceutica N.V. | 3839 |
31 |
| RedHill Biopharma Ltd. | 96 |
29 |
| Merck Sharp & Dohme LLC | 3689 |
29 |
| Bristol-myers Squibb Company | 5080 |
25 |
| Merck Sharp & Dohme Corp. | 2247 |
23 |
| Boehringer Ingelheim International GmbH | 4629 |
22 |
| Pfizer Inc. | 3322 |
19 |
| Vertex Pharmaceuticals Incorporated | 1581 |
17 |
| The Regents of the University of California | 18943 |
16 |
| Aldeyra Therapeutics, Inc. | 100 |
16 |
| Glaxo Group Limited | 4496 |
15 |
| AstraZeneca AB | 3042 |
14 |
| Takeda Pharmaceutical Company Limited | 2961 |
14 |
| Medshine Discovery Inc. | 581 |
13 |
| Bayer Schering Pharma AG | 460 |
12 |
| Pfizer Products Inc. | 471 |
12 |
| Amgen Inc. | 3779 |
11 |
| Heron Therapeutics, Inc. | 156 |
11 |
| Other owners | 1882 |