- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4545 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
Patent holdings for IPC class A61K 31/4545
Total number of patents in this class: 4887
10-year publication summary
|
369
|
390
|
370
|
377
|
441
|
470
|
441
|
339
|
496
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 11276 |
98 |
| Takeda Pharmaceutical Company Limited | 2945 |
91 |
| Bristol-myers Squibb Company | 4865 |
65 |
| Merck Sharp & Dohme LLC | 3746 |
64 |
| Pfizer Inc. | 3371 |
60 |
| Boehringer Ingelheim International GmbH | 4751 |
57 |
| Eisai R&D Management Co., Ltd. | 1271 |
47 |
| Dana-Farber Cancer Institute, Inc. | 2536 |
43 |
| Theravance Biopharma R&D IP, LLC | 517 |
42 |
| Daiichi Sankyo Company, Limited | 1863 |
41 |
| AstraZeneca AB | 2956 |
40 |
| Gilead Sciences, Inc. | 1951 |
40 |
| Taisho Pharmaceutical Co., Ltd. | 860 |
37 |
| Celgene Corporation | 1468 |
35 |
| Merck Patent GmbH | 5845 |
34 |
| Epizyme, Inc. | 386 |
33 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 805 |
33 |
| Janssen Pharmaceutica N.V. | 3615 |
32 |
| Astellas Pharma Inc. | 1123 |
32 |
| ChemoCentryx, Inc. | 393 |
29 |
| Other owners | 3934 |