- All sections
- C - Chemistry; metallurgy
- 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: 281
10-year publication summary
|
21
|
22
|
29
|
18
|
27
|
26
|
21
|
9
|
15
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xenon Pharmaceuticals Inc. | 190 |
9 |
| Glaxosmithkline Intellectual Property Development Limited | 723 |
8 |
| Kyoto University | 2732 |
8 |
| F. Hoffmann-La Roche AG | 7958 |
7 |
| Board of Regents, The University of Texas System | 5370 |
6 |
| Plexxikon Inc. | 168 |
6 |
| Novartis AG | 11238 |
4 |
| Syngenta Participations AG | 4970 |
4 |
| Cadila Healthcare Limited | 341 |
4 |
| Chugai Seiyaku Kabushiki Kaisha | 1259 |
4 |
| Ishihara Sangyo Kaisha, Ltd. | 663 |
4 |
| medac Gesellschaft für klinische Spezialpräparate mbH | 122 |
4 |
| Bristol-myers Squibb Company | 5080 |
3 |
| Genentech, Inc. | 3742 |
3 |
| AstraZeneca AB | 3042 |
3 |
| Pfizer Inc. | 3322 |
3 |
| Northwestern University | 3112 |
3 |
| Abbott GmbH & Co. KG | 156 |
3 |
| Daito Chemix Corporation | 12 |
3 |
| Eastern Virginia Medical School | 80 |
3 |
| Other owners | 189 |