- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 215/22 - Oxygen atoms attached in position 2 or 4
Patent holdings for IPC class C07D 215/22
Total number of patents in this class: 377
10-year publication summary
|
26
|
21
|
25
|
27
|
21
|
16
|
30
|
17
|
31
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Exelixis, Inc. | 396 |
45 |
| Alkermes Pharma Ireland Limited | 254 |
15 |
| Janssen Pharmaceutica N.V. | 3125 |
12 |
| Handa Oncology, LLC | 29 |
9 |
| Amgen Inc. | 4492 |
7 |
| Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | 789 |
6 |
| Otsuka Pharmaceutical Co., Ltd. | 1515 |
5 |
| Alonbio Ltd. | 12 |
5 |
| Nippon Soda Co., Ltd. | 884 |
4 |
| Oregon Health & Science University | 754 |
4 |
| Synthon BV | 308 |
4 |
| Tarapeutics Science Inc. | 26 |
4 |
| Bristol-myers Squibb Company | 4756 |
3 |
| Sandoz AG | 1420 |
3 |
| Vertex Pharmaceuticals Incorporated | 1588 |
3 |
| Active Biotech AB | 57 |
3 |
| Astellas Pharma Inc. | 1043 |
3 |
| Beijing Konruns Pharmaceutical Co., Ltd. | 21 |
3 |
| Emory University | 1735 |
3 |
| Interquim, S.A. | 50 |
3 |
| Other owners | 233 |