- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/495 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two nitrogen atoms as the only ring hetero atoms, e.g. piperazine
Patent holdings for IPC class A61K 31/495
Total number of patents in this class: 4647
10-year publication summary
|
265
|
272
|
251
|
274
|
276
|
276
|
267
|
276
|
224
|
51
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| H. Lundbeck A/S | 1245 |
58 |
| MannKind Corporation | 528 |
45 |
| The Board of Trustees of the University of Illinois | 2744 |
43 |
| The Regents of the University of California | 20494 |
38 |
| Janssen Pharmaceutica N.V. | 3267 |
36 |
| AstraZeneca AB | 2837 |
33 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3256 |
33 |
| Abbvie Inc. | 1847 |
32 |
| Mayo Foundation for Medical Education and Research | 3351 |
32 |
| Novartis AG | 10450 |
30 |
| Merck Sharp & Dohme LLC | 3726 |
30 |
| Boehringer Ingelheim International GmbH | 4569 |
24 |
| Merck Sharp & Dohme Corp. | 2185 |
22 |
| F. Hoffmann-La Roche AG | 7861 |
19 |
| Genentech, Inc. | 4063 |
19 |
| President and Fellows of Harvard College | 6068 |
19 |
| Emory University | 1692 |
19 |
| The Trustees of Columbia University in the City of New York | 3621 |
18 |
| University of Southern California | 2119 |
18 |
| University of Florida Research Foundation, Inc. | 4135 |
18 |
| Other owners | 4061 |