- 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: 4648
10-year publication summary
|
265
|
272
|
251
|
274
|
276
|
276
|
267
|
274
|
224
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| H. Lundbeck A/S | 1250 |
58 |
| MannKind Corporation | 518 |
45 |
| The Board of Trustees of the University of Illinois | 2728 |
43 |
| Janssen Pharmaceutica N.V. | 3344 |
40 |
| The Regents of the University of California | 20296 |
39 |
| AstraZeneca AB | 2832 |
34 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3225 |
33 |
| Abbvie Inc. | 1820 |
32 |
| Mayo Foundation for Medical Education and Research | 3300 |
32 |
| Merck Sharp & Dohme LLC | 3735 |
30 |
| Novartis AG | 10534 |
29 |
| Boehringer Ingelheim International GmbH | 4615 |
25 |
| F. Hoffmann-La Roche AG | 7898 |
23 |
| Merck Sharp & Dohme Corp. | 2189 |
22 |
| Genentech, Inc. | 4005 |
19 |
| Emory University | 1669 |
19 |
| The Trustees of Columbia University in the City of New York | 3597 |
18 |
| President and Fellows of Harvard College | 6044 |
18 |
| University of Florida Research Foundation, Inc. | 4086 |
18 |
| Intra-Cellular Therapies, Inc. | 423 |
18 |
| Other owners | 4053 |