- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 498/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains four or more hetero rings
Patent holdings for IPC class C07D 498/22
Total number of patents in this class: 995
10-year publication summary
|
56
|
47
|
31
|
51
|
68
|
75
|
92
|
125
|
143
|
74
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gilead Sciences, Inc. | 2036 |
28 |
| Merck Sharp & Dohme LLC | 3748 |
18 |
| Boehringer Ingelheim International GmbH | 4650 |
17 |
| Merck Patent GmbH | 5831 |
17 |
| Janssen Pharmaceutica N.V. | 3392 |
16 |
| ALFASIGMA S.p.A. | 491 |
15 |
| Bristol-myers Squibb Company | 4898 |
14 |
| Genentech, Inc. | 3976 |
14 |
| Revolution Medicines, Inc. | 234 |
14 |
| Array BioPharma Inc. | 502 |
12 |
| Bioversys AG | 69 |
12 |
| Turning Point Therapeutics, Inc. | 100 |
12 |
| Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | 702 |
11 |
| Novartis AG | 10849 |
10 |
| Shanghai Hengrui Pharmaceutical Co., Ltd. | 644 |
10 |
| H. Lundbeck A/S | 1247 |
10 |
| Pfizer Inc. | 3387 |
9 |
| Salix Pharmaceuticals, Inc. | 82 |
9 |
| Genfleet Therapeutics (Shanghai) Inc. | 64 |
9 |
| Zhejiang Genfleet Therapeutics Co., Ltd. | 48 |
9 |
| Other owners | 729 |