- 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: 4596
10-year publication summary
|
266
|
292
|
302
|
270
|
293
|
315
|
298
|
300
|
284
|
136
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| H. Lundbeck A/S | 1246 |
59 |
| MannKind Corporation | 529 |
44 |
| The Board of Trustees of the University of Illinois | 2694 |
43 |
| The Regents of the University of California | 19929 |
39 |
| AstraZeneca AB | 2908 |
39 |
| Janssen Pharmaceutica N.V. | 3383 |
37 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3156 |
33 |
| Abbvie Inc. | 1801 |
32 |
| Mayo Foundation for Medical Education and Research | 3211 |
31 |
| Merck Sharp & Dohme LLC | 3741 |
30 |
| Novartis AG | 10850 |
28 |
| Boehringer Ingelheim International GmbH | 4648 |
26 |
| F. Hoffmann-La Roche AG | 7921 |
24 |
| Merck Sharp & Dohme Corp. | 2190 |
22 |
| Genentech, Inc. | 3980 |
19 |
| Emory University | 1629 |
19 |
| The Trustees of Columbia University in the City of New York | 3575 |
18 |
| President and Fellows of Harvard College | 5976 |
18 |
| Richter Gedeon Nyrt. | 1633 |
18 |
| Irr, Inc. | 21 |
18 |
| Other owners | 3999 |