- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/451 - Non-condensed piperidines, e.g. piperocaine having a carbocyclic ring directly attached to the heterocyclic ring, e.g. glutethimide, meperidine, loperamide, phencyclidine, piminodine
Patent holdings for IPC class A61K 31/451
Total number of patents in this class: 875
10-year publication summary
|
78
|
63
|
71
|
81
|
87
|
72
|
93
|
86
|
66
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Prilenia Neurotherapeutics Ltd. | 83 |
61 |
| ChemoCentryx, Inc. | 400 |
32 |
| Takeda Pharmaceutical Company Limited | 2961 |
17 |
| Pacira Pharmaceuticals, Inc. | 85 |
14 |
| H. Lundbeck A/S | 1252 |
14 |
| Bristol-myers Squibb Company | 5080 |
12 |
| The University of Chicago | 1282 |
12 |
| AstraZeneca AB | 3042 |
11 |
| Amgen Inc. | 3779 |
11 |
| Janssen Pharmaceutica N.V. | 3839 |
10 |
| Heptares Therapeutics Limited | 225 |
10 |
| Novartis AG | 11238 |
9 |
| Teoxane | 40 |
9 |
| Teva Pharmaceuticals USA, Inc. | 1040 |
9 |
| Toray Industries, Inc. | 6652 |
8 |
| Purdue Pharma L.P. | 519 |
8 |
| Teva Pharmaceuticals International GmbH | 355 |
8 |
| The Trustees of the University of Pennsylvania | 4122 |
7 |
| Daiichi Sankyo Company, Limited | 1829 |
7 |
| The Regents of the University of California | 18943 |
6 |
| Other owners | 600 |