- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 213/65 - One oxygen atom attached in position 3 or 5
Patent holdings for IPC class C07D 213/65
Total number of patents in this class: 404
10-year publication summary
|
38
|
37
|
41
|
37
|
29
|
26
|
23
|
23
|
25
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Takeda Pharmaceutical Company Limited | 2943 |
15 |
| Akebia Therapeutics, Inc. | 117 |
15 |
| Bristol-myers Squibb Company | 4863 |
9 |
| BASF SE | 20432 |
8 |
| Nikang Therapeutics, Inc. | 86 |
7 |
| Janssen Pharmaceutica N.V. | 3612 |
6 |
| Bayer Pharma AG | 1085 |
6 |
| Peloton Therapeutics, Inc. | 37 |
6 |
| PTC Therapeutics, Inc. | 477 |
6 |
| Centre National de La Recherche Scientifique | 10102 |
5 |
| Astellas Pharma Inc. | 1125 |
5 |
| GW Research Limited | 342 |
5 |
| Taisho Pharmaceutical Co., Ltd. | 862 |
5 |
| VALO Health, Inc. | 168 |
5 |
| Glaxo Group Limited | 4281 |
4 |
| Pfizer Inc. | 3368 |
4 |
| Chugai Seiyaku Kabushiki Kaisha | 1318 |
4 |
| Cytokinetics, Inc. | 268 |
4 |
| Global Blood Therapeutics, Inc. | 180 |
4 |
| Nippon Soda Co., Ltd. | 883 |
4 |
| Other owners | 277 |