- 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: 393
10-year publication summary
|
21
|
24
|
20
|
24
|
24
|
20
|
15
|
26
|
17
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Exelixis, Inc. | 400 |
45 |
| Janssen Pharmaceutica N.V. | 3377 |
17 |
| Alkermes Pharma Ireland Limited | 270 |
15 |
| Amgen Inc. | 4081 |
9 |
| Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | 704 |
5 |
| Nippon Kayaku Co., Ltd. | 21 |
5 |
| Otsuka Pharmaceutical Co., Ltd. | 1492 |
5 |
| Eisai R&D Management Co., Ltd. | 1232 |
5 |
| Alonbio Ltd. | 12 |
5 |
| Active Biotech AB | 58 |
4 |
| Astellas Pharma Inc. | 1086 |
4 |
| Nippon Soda Co., Ltd. | 895 |
4 |
| Oregon Health & Science University | 762 |
4 |
| Synthon BV | 316 |
4 |
| Handa Oncology, LLC | 16 |
4 |
| Bristol-myers Squibb Company | 4881 |
3 |
| Sandoz AG | 1417 |
3 |
| Vertex Pharmaceuticals Incorporated | 1602 |
3 |
| Advenchen Laboratories, LLC | 11 |
3 |
| Beijing Konruns Pharmaceutical Co., Ltd. | 15 |
3 |
| Other owners | 243 |