- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/5355 - Non-condensed oxazines containing further heterocyclic rings
Patent holdings for IPC class A61K 31/5355
Total number of patents in this class: 660
10-year publication summary
|
29
|
32
|
31
|
32
|
39
|
32
|
27
|
28
|
42
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boehringer Ingelheim International GmbH | 4635 |
28 |
| F. Hoffmann-La Roche AG | 7933 |
23 |
| Recurium IP Holdings, LLC | 136 |
17 |
| Hoffmann-La Roche Inc. | 3533 |
16 |
| Novartis AG | 10623 |
13 |
| Janssen Pharmaceutica N.V. | 3351 |
13 |
| Amgen Inc. | 4258 |
13 |
| Gilead Sciences, Inc. | 2094 |
13 |
| Bristol-myers Squibb Company | 4820 |
12 |
| Vitae Pharmaceuticals, Inc. | 94 |
11 |
| Taisho Pharmaceutical Co., Ltd. | 860 |
10 |
| Siena Biotech S.p.A. | 35 |
9 |
| Merck Patent GmbH | 5759 |
8 |
| The Trustees of the University of Pennsylvania | 4384 |
8 |
| Celgene Corporation | 1412 |
8 |
| Shionogi & Co., Ltd. | 835 |
7 |
| Allergan, Inc. | 2314 |
6 |
| Takeda Pharmaceutical Company Limited | 2717 |
6 |
| Vanderbilt University | 1938 |
6 |
| Pfizer Inc. | 3401 |
5 |
| Other owners | 428 |