- 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: 263
10-year publication summary
|
29
|
18
|
27
|
26
|
21
|
9
|
16
|
23
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xenon Pharmaceuticals Inc. | 195 |
9 |
| Glaxosmithkline Intellectual Property Development Limited | 773 |
8 |
| Kyoto University | 2893 |
8 |
| Chugai Seiyaku Kabushiki Kaisha | 1393 |
7 |
| Plexxikon Inc. | 147 |
7 |
| Board of Regents, The University of Texas System | 6045 |
6 |
| medac Gesellschaft für klinische Spezialpräparate mbH | 119 |
5 |
| Novartis AG | 10345 |
4 |
| F. Hoffmann-La Roche AG | 7839 |
4 |
| Ishihara Sangyo Kaisha, Ltd. | 658 |
4 |
| Centaurus Therapeutics | 9 |
4 |
| Genentech, Inc. | 4070 |
3 |
| Northwestern University | 3512 |
3 |
| Cadila Healthcare Limited | 301 |
3 |
| Cornell University | 3387 |
3 |
| Daito Chemix Corporation | 12 |
3 |
| Eastern Virginia Medical School | 65 |
3 |
| Helsinn Healthcare SA | 227 |
3 |
| Kissei Pharmaceutical Co., Ltd. | 177 |
3 |
| Otsuka Pharmaceutical Co., Ltd. | 1503 |
3 |
| Other owners | 170 |