- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4468 - Non-condensed piperidines, e.g. piperocaine having a nitrogen atom directly attached in position 4, e.g. clebopride, fentanyl
Patent holdings for IPC class A61K 31/4468
Total number of patents in this class: 872
10-year publication summary
|
75
|
75
|
70
|
67
|
85
|
84
|
80
|
55
|
49
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ACADIA Pharmaceuticals Inc. | 206 |
39 |
| Takeda Pharmaceutical Company Limited | 2696 |
20 |
| Bow River LLC | 22 |
15 |
| The Regents of the University of California | 19943 |
14 |
| AstraZeneca AB | 2900 |
14 |
| Helsinn Healthcare SA | 226 |
12 |
| Purdue Pharma L.P. | 500 |
11 |
| F. Hoffmann-La Roche AG | 7920 |
10 |
| Nektar Therapeutics | 435 |
10 |
| Novartis AG | 10829 |
9 |
| PAION UK Limited | 46 |
9 |
| Boehringer Ingelheim International GmbH | 4644 |
8 |
| The Trustees of the University of Pennsylvania | 4329 |
8 |
| Incyte Corporation | 1025 |
7 |
| The National Institute for Biotechnology in The Negev Ltd. | 108 |
7 |
| Teikoku Seiyaku Co., Ltd. | 180 |
7 |
| Arete Therapeutics, Inc. | 23 |
6 |
| Incyte Holdings Corporation | 661 |
6 |
| LTS Lohmann Therapie-Systeme AG | 696 |
6 |
| BioDelivery Sciences International, Inc. | 25 |
5 |
| Other owners | 649 |