- 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: 5512
10-year publication summary
|
391
|
370
|
380
|
443
|
483
|
449
|
366
|
546
|
596
|
212
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Takeda Pharmaceutical Company Limited | 2718 |
89 |
| Novartis AG | 10327 |
88 |
| Bristol-myers Squibb Company | 4811 |
80 |
| Merck Sharp & Dohme LLC | 3729 |
70 |
| Boehringer Ingelheim International GmbH | 4509 |
64 |
| Pfizer Inc. | 3367 |
62 |
| Gilead Sciences, Inc. | 2189 |
52 |
| Dana-Farber Cancer Institute, Inc. | 2648 |
47 |
| Eisai R&D Management Co., Ltd. | 1180 |
43 |
| Celgene Corporation | 1399 |
38 |
| Daiichi Sankyo Company, Limited | 1886 |
37 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 856 |
35 |
| Janssen Pharmaceutica N.V. | 3231 |
31 |
| Taisho Pharmaceutical Co., Ltd. | 858 |
31 |
| Zevra Denmark A/S | 58 |
31 |
| AstraZeneca AB | 2832 |
30 |
| Merck Patent GmbH | 5668 |
30 |
| Epizyme, Inc. | 357 |
30 |
| ChemoCentryx, Inc. | 370 |
29 |
| Astellas Pharma Inc. | 1030 |
28 |
| Other owners | 4567 |