- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4353 - 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 ortho- or peri-condensed with heterocyclic ring systems
Patent holdings for IPC class A61K 31/4353
Total number of patents in this class: 979
10-year publication summary
|
58
|
69
|
43
|
49
|
50
|
73
|
78
|
74
|
107
|
54
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10173 |
18 |
| Sunshine Lake Pharma Co., Ltd. | 629 |
18 |
| Bristol-myers Squibb Company | 4757 |
16 |
| F. Hoffmann-La Roche AG | 7808 |
14 |
| Merck Sharp & Dohme LLC | 3737 |
13 |
| Hoffmann-La Roche Inc. | 3818 |
10 |
| Abbvie Inc. | 1799 |
10 |
| Alkermes, Inc. | 137 |
10 |
| Merck Sharp & Dohme Corp. | 2183 |
9 |
| Amgen Inc. | 4440 |
9 |
| The Johns Hopkins University | 5913 |
9 |
| Jiangsu Hansoh Pharmaceutical Group Co., Ltd. | 379 |
8 |
| Medshine Discovery Inc. | 589 |
8 |
| Shanghai Hansoh Biomedical Co., Ltd. | 360 |
8 |
| The Regents of the University of California | 20815 |
7 |
| Genentech, Inc. | 4114 |
7 |
| Pfizer Inc. | 3409 |
7 |
| Regranion, LLC | 13 |
7 |
| Vitae Pharmaceuticals, LLC | 41 |
7 |
| Janssen Pharmaceutica N.V. | 3160 |
6 |
| Other owners | 778 |