- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 491/052 - Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being six-membered
Patent holdings for IPC class C07D 491/052
Total number of patents in this class: 1142
10-year publication summary
|
74
|
80
|
78
|
81
|
78
|
102
|
103
|
90
|
87
|
49
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gilead Sciences, Inc. | 2222 |
36 |
| Bristol-myers Squibb Company | 4742 |
26 |
| Merck Sharp & Dohme LLC | 3734 |
19 |
| Novartis AG | 10262 |
16 |
| Eli Lilly and Company | 4101 |
16 |
| Takeda Pharmaceutical Company Limited | 2712 |
15 |
| F. Hoffmann-La Roche AG | 7837 |
14 |
| Merck Patent GmbH | 5728 |
14 |
| Boehringer Ingelheim International GmbH | 4493 |
13 |
| Daiichi Sankyo Company, Limited | 1890 |
13 |
| Vertex Pharmaceuticals Incorporated | 1582 |
12 |
| D3 Bio (Wuxi) Co., Ltd. | 37 |
11 |
| FUJIFILM Corporation | 30514 |
10 |
| Hoffmann-La Roche Inc. | 3793 |
9 |
| Genentech, Inc. | 4104 |
9 |
| Janssen Pharmaceutica N.V. | 3168 |
9 |
| Vanderbilt University | 2022 |
9 |
| Merck Sharp & Dohme Corp. | 2183 |
8 |
| The Trustees of Columbia University in the City of New York | 3644 |
8 |
| Emory University | 1719 |
8 |
| Other owners | 867 |