- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4995 - Pyrazines or piperazines forming part of bridged ring systems
Patent holdings for IPC class A61K 31/4995
Total number of patents in this class: 812
10-year publication summary
|
29
|
43
|
26
|
50
|
64
|
74
|
85
|
111
|
117
|
45
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pharma Mar, S.A. | 214 |
47 |
| Mirum Pharmaceuticals, Inc. | 94 |
23 |
| Bow River LLC | 23 |
16 |
| Oyster Point Pharma, Inc. | 79 |
14 |
| Gilead Sciences, Inc. | 2186 |
13 |
| Boehringer Ingelheim International GmbH | 4510 |
12 |
| Shire Human Genetic Therapies, Inc. | 190 |
9 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2971 |
8 |
| Celltaxis, LLC | 28 |
8 |
| F. Hoffmann-La Roche AG | 7839 |
7 |
| Hoffmann-La Roche Inc. | 3696 |
7 |
| The Regents of the University of California | 20556 |
7 |
| Meiji Seika Pharma Co., Ltd. | 256 |
7 |
| Osaka University | 3304 |
7 |
| Genentech, Inc. | 4070 |
6 |
| Bayer AG | 3433 |
6 |
| Incyte Corporation | 1060 |
6 |
| Merck Sharp & Dohme LLC | 3723 |
6 |
| Bristol-myers Squibb Company | 4812 |
5 |
| The Regents of the University of Michigan | 4911 |
5 |
| Other owners | 593 |