- 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: 889
10-year publication summary
|
63
|
71
|
81
|
88
|
72
|
100
|
87
|
67
|
61
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Prilenia Neurotherapeutics Ltd. | 88 |
65 |
| ChemoCentryx, Inc. | 393 |
37 |
| Takeda Pharmaceutical Company Limited | 2943 |
16 |
| Pacira Pharmaceuticals, Inc. | 96 |
15 |
| H. Lundbeck A/S | 1249 |
14 |
| Bristol-myers Squibb Company | 4863 |
12 |
| Amgen Inc. | 3899 |
12 |
| The University of Chicago | 1360 |
12 |
| AstraZeneca AB | 2958 |
11 |
| Teoxane | 42 |
9 |
| Teva Pharmaceuticals USA, Inc. | 969 |
9 |
| Novartis AG | 11254 |
8 |
| Janssen Pharmaceutica N.V. | 3612 |
8 |
| Toray Industries, Inc. | 6855 |
8 |
| Purdue Pharma L.P. | 512 |
8 |
| Teva Pharmaceuticals International GmbH | 382 |
8 |
| Remedy Pharmaceuticals, Inc. | 40 |
7 |
| The Regents of the University of California | 19517 |
6 |
| Daiichi Sankyo Company, Limited | 1864 |
6 |
| Kyushu University, National University Corporation | 1627 |
6 |
| Other owners | 612 |