- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/436 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a six-membered ring having oxygen as a ring hetero atom, e.g. rapamycin
Patent holdings for IPC class A61K 31/436
Total number of patents in this class: 2697
10-year publication summary
199
|
262
|
277
|
269
|
285
|
275
|
283
|
281
|
202
|
79
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Selecta Biosciences, Inc. | 190 |
88 |
Novartis AG | 11238 |
81 |
Abraxis BioScience, LLC | 213 |
54 |
Lutonix, Inc. | 66 |
41 |
The Regents of the University of California | 18943 |
29 |
The Board of Trustees of the Leland Stanford Junior University | 6054 |
29 |
Santen Pharmaceutical Co., Ltd. | 649 |
26 |
Cardinal Health 529, LLC | 306 |
23 |
The Trustees of the University of Pennsylvania | 4122 |
20 |
Terumo Kabushiki Kaisha | 5216 |
19 |
University of Pittsburgh - Of the Commonwealth System of Higher Education | 2912 |
19 |
Veloxis Pharmaceuticals Inc. | 49 |
18 |
Board of Regents, The University of Texas System | 5370 |
17 |
Tyme, Inc. | 47 |
17 |
Osaka University | 3143 |
16 |
Pharmacyclics LLC | 240 |
16 |
Pfizer Inc. | 3322 |
15 |
The Johns Hopkins University | 5377 |
15 |
Duke University | 2872 |
15 |
The Regents of the University of Michigan | 4409 |
14 |
Other owners | 2125 |