- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/5365 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines ortho- or peri-condensed with heterocyclic ring systems
Patent holdings for IPC class A61K 31/5365
Total number of patents in this class: 811
10-year publication summary
|
67
|
74
|
84
|
75
|
81
|
65
|
71
|
51
|
51
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shionogi & Co., Ltd. | 889 |
27 |
| ImmunoGen, Inc. | 403 |
25 |
| ViiV Healthcare Company | 155 |
23 |
| Merck Sharp & Dohme LLC | 3751 |
23 |
| F. Hoffmann-La Roche AG | 7942 |
21 |
| Gilead Sciences, Inc. | 1951 |
21 |
| Eli Lilly and Company | 3720 |
18 |
| Genentech, Inc. | 3869 |
16 |
| Merck Sharp & Dohme Corp. | 2219 |
16 |
| Novartis AG | 11254 |
12 |
| Taisho Pharmaceutical Co., Ltd. | 862 |
12 |
| Hoffmann-La Roche Inc. | 3267 |
11 |
| Boehringer Ingelheim International GmbH | 4754 |
11 |
| Bristol-myers Squibb Company | 4863 |
10 |
| Janssen Pharmaceutica N.V. | 3612 |
10 |
| PRISM Pharma Co., Ltd. | 22 |
9 |
| ViiV Healthcare UK (No. 5) Limited | 46 |
9 |
| Board of Regents of the University of Nebraska | 741 |
8 |
| The Global Alliance for TB Drug Development, Inc. | 44 |
7 |
| The Scripps Research Institute | 1353 |
7 |
| Other owners | 515 |