- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 213/76 - Nitrogen atoms to which a second hetero atom is attached
Patent holdings for IPC class C07D 213/76
Total number of patents in this class: 269
10-year publication summary
|
22
|
29
|
18
|
27
|
26
|
21
|
9
|
16
|
22
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xenon Pharmaceuticals Inc. | 189 |
9 |
| Glaxosmithkline Intellectual Property Development Limited | 762 |
8 |
| Kyoto University | 2800 |
8 |
| Plexxikon Inc. | 150 |
7 |
| Board of Regents, The University of Texas System | 5793 |
6 |
| Chugai Seiyaku Kabushiki Kaisha | 1355 |
6 |
| medac Gesellschaft für klinische Spezialpräparate mbH | 117 |
5 |
| Novartis AG | 10849 |
4 |
| F. Hoffmann-La Roche AG | 7925 |
4 |
| Ishihara Sangyo Kaisha, Ltd. | 660 |
4 |
| Genentech, Inc. | 3976 |
3 |
| Syngenta Participations AG | 1903 |
3 |
| Northwestern University | 3389 |
3 |
| Cadila Healthcare Limited | 318 |
3 |
| Cornell University | 3306 |
3 |
| Daito Chemix Corporation | 11 |
3 |
| Eastern Virginia Medical School | 66 |
3 |
| Helsinn Healthcare SA | 228 |
3 |
| Kalypsys, Inc. | 53 |
3 |
| Kissei Pharmaceutical Co., Ltd. | 183 |
3 |
| Other owners | 178 |