- 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: 4571
10-year publication summary
|
266
|
292
|
302
|
273
|
294
|
316
|
299
|
298
|
280
|
95
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| H. Lundbeck A/S | 1203 |
57 |
| The Board of Trustees of the University of Illinois | 2693 |
43 |
| MannKind Corporation | 524 |
43 |
| AstraZeneca AB | 2928 |
39 |
| Janssen Pharmaceutica N.V. | 3431 |
38 |
| The Regents of the University of California | 19784 |
37 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3115 |
33 |
| Abbvie Inc. | 1795 |
32 |
| Mayo Foundation for Medical Education and Research | 3174 |
31 |
| Novartis AG | 10963 |
30 |
| Merck Sharp & Dohme LLC | 3738 |
30 |
| Boehringer Ingelheim International GmbH | 4702 |
27 |
| F. Hoffmann-La Roche AG | 7912 |
25 |
| Merck Sharp & Dohme Corp. | 2201 |
22 |
| Emory University | 1619 |
20 |
| Genentech, Inc. | 3935 |
19 |
| Bristol-myers Squibb Company | 4896 |
18 |
| The Trustees of Columbia University in the City of New York | 3556 |
18 |
| Richter Gedeon Nyrt. | 1630 |
18 |
| Irr, Inc. | 21 |
18 |
| Other owners | 3973 |