- 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: 5751
10-year publication summary
|
391
|
370
|
381
|
443
|
483
|
450
|
368
|
547
|
616
|
448
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Takeda Pharmaceutical Company Limited | 2700 |
89 |
| Novartis AG | 10169 |
88 |
| Bristol-myers Squibb Company | 4757 |
83 |
| Merck Sharp & Dohme LLC | 3733 |
72 |
| Pfizer Inc. | 3418 |
66 |
| Boehringer Ingelheim International GmbH | 4479 |
64 |
| Gilead Sciences, Inc. | 2247 |
54 |
| Dana-Farber Cancer Institute, Inc. | 2671 |
49 |
| Celgene Corporation | 1409 |
40 |
| Eisai R&D Management Co., Ltd. | 1165 |
40 |
| Daiichi Sankyo Company, Limited | 1890 |
37 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 877 |
37 |
| Janssen Pharmaceutica N.V. | 3147 |
35 |
| Merck Patent GmbH | 5747 |
32 |
| Taisho Pharmaceutical Co., Ltd. | 846 |
31 |
| Zevra Denmark A/S | 58 |
31 |
| AstraZeneca AB | 2823 |
30 |
| ChemoCentryx, Inc. | 361 |
30 |
| Epizyme, Inc. | 360 |
30 |
| Allergan Pharmaceuticals International Limited | 231 |
29 |
| Other owners | 4784 |