- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/541 - Non-condensed thiazines containing further heterocyclic rings
Patent holdings for IPC class A61K 31/541
Total number of patents in this class: 1540
10-year publication summary
|
146
|
125
|
99
|
74
|
82
|
73
|
75
|
74
|
146
|
95
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4867 |
37 |
| Merck Sharp & Dohme LLC | 3760 |
37 |
| Novartis AG | 10730 |
34 |
| Takeda Pharmaceutical Company Limited | 2705 |
28 |
| Astellas Pharma Inc. | 1083 |
27 |
| ALFASIGMA S.p.A. | 491 |
22 |
| Gilead Sciences, Inc. | 2045 |
22 |
| F. Hoffmann-La Roche AG | 7941 |
21 |
| Bayer Pharma AG | 1054 |
21 |
| Boehringer Ingelheim International GmbH | 4642 |
20 |
| Shionogi & Co., Ltd. | 849 |
19 |
| Chong Kun Dang Pharmaceutical Corp. | 236 |
18 |
| Merck Patent GmbH | 5824 |
17 |
| Galapagos NV | 273 |
16 |
| Mitsubishi Tanabe Pharma Corporation | 581 |
16 |
| Merck Sharp & Dohme Corp. | 2191 |
15 |
| Abbvie Inc. | 1800 |
15 |
| Mitoimmune Therapeutics Inc. | 23 |
15 |
| Janssen Pharmaceutica N.V. | 3369 |
14 |
| Pfizer Inc. | 3368 |
14 |
| Other owners | 1112 |