- 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: 4644
10-year publication summary
|
291
|
303
|
274
|
295
|
316
|
299
|
301
|
314
|
248
|
103
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| H. Lundbeck A/S | 1243 |
58 |
| MannKind Corporation | 529 |
45 |
| The Regents of the University of California | 20611 |
38 |
| The Board of Trustees of the University of Illinois | 2743 |
37 |
| Janssen Pharmaceutica N.V. | 3209 |
35 |
| AstraZeneca AB | 2830 |
33 |
| Abbvie Inc. | 1840 |
32 |
| Mayo Foundation for Medical Education and Research | 3356 |
32 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3271 |
32 |
| Merck Sharp & Dohme LLC | 3731 |
29 |
| Novartis AG | 10336 |
28 |
| Merck Sharp & Dohme Corp. | 2183 |
22 |
| Boehringer Ingelheim International GmbH | 4491 |
22 |
| Genentech, Inc. | 4092 |
20 |
| The Trustees of Columbia University in the City of New York | 3629 |
20 |
| F. Hoffmann-La Roche AG | 7843 |
19 |
| President and Fellows of Harvard College | 6065 |
19 |
| Emory University | 1714 |
19 |
| Irr, Inc. | 22 |
19 |
| Centre National de La Recherche Scientifique | 10922 |
18 |
| Other owners | 4067 |