- 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: 882
10-year publication summary
|
66
|
75
|
76
|
70
|
68
|
85
|
86
|
81
|
51
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ACADIA Pharmaceuticals Inc. | 201 |
41 |
| AstraZeneca AB | 3042 |
20 |
| Takeda Pharmaceutical Company Limited | 2961 |
17 |
| Bow River LLC | 21 |
13 |
| F. Hoffmann-La Roche AG | 7958 |
12 |
| The Regents of the University of California | 18943 |
11 |
| Purdue Pharma L.P. | 519 |
11 |
| Helsinn Healthcare SA | 255 |
10 |
| Nektar Therapeutics | 503 |
10 |
| PAION UK Limited | 46 |
9 |
| Novartis AG | 11238 |
8 |
| The Trustees of the University of Pennsylvania | 4122 |
8 |
| Boehringer Ingelheim International GmbH | 4629 |
7 |
| Incyte Corporation | 918 |
7 |
| LTS Lohmann Therapie-Systeme AG | 691 |
7 |
| Teikoku Seiyaku Co., Ltd. | 188 |
7 |
| Arete Therapeutics, Inc. | 23 |
6 |
| BioDelivery Sciences International, Inc. | 28 |
6 |
| Hisamitsu Pharmaceutical Co., Inc. | 792 |
6 |
| Incyte Holdings Corporation | 609 |
6 |
| Other owners | 660 |