- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4365 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system having sulfur as a ring hetero atom, e.g. ticlopidine
Patent holdings for IPC class A61K 31/4365
Total number of patents in this class: 1427
10-year publication summary
|
65
|
62
|
86
|
74
|
87
|
79
|
98
|
94
|
87
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Case Western Reserve University | 1867 |
41 |
| Daiichi Sankyo Company, Limited | 1887 |
21 |
| Board of Regents, The University of Texas System | 6032 |
20 |
| Murray and Poole Enterprises Limited | 28 |
16 |
| Chiesi Farmaceutici S.p.A. | 964 |
14 |
| The Regents of the University of California | 20502 |
13 |
| Takeda Pharmaceutical Company Limited | 2726 |
13 |
| The Board of Trustees of the Leland Stanford Junior University | 6605 |
12 |
| Aspeya US Inc. | 25 |
11 |
| CyDex Pharmaceuticals, Inc. | 106 |
10 |
| Incyte Corporation | 1048 |
10 |
| Poxel | 41 |
10 |
| Ube Industries, Ltd. | 794 |
10 |
| F. Hoffmann-La Roche AG | 7847 |
9 |
| Genentech, Inc. | 4065 |
9 |
| Merck Patent GmbH | 5723 |
9 |
| Jiangsu Vcare PharmaTech Co., Ltd. | 36 |
9 |
| The United States Government AS represented by The Department of Veterans Affairs | 1281 |
9 |
| The Board of Regents of the University of Texas System | 2257 |
9 |
| Boehringer Ingelheim International GmbH | 4567 |
8 |
| Other owners | 1164 |