- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 257/04 - Five-membered rings
Patent holdings for IPC class C07D 257/04
Total number of patents in this class: 1107
10-year publication summary
|
83
|
73
|
75
|
83
|
76
|
67
|
61
|
49
|
33
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8996 |
37 |
| Novartis AG | 10263 |
25 |
| Theravance Biopharma R&D IP, LLC | 407 |
25 |
| Bristol-myers Squibb Company | 4729 |
17 |
| Allergan, Inc. | 2169 |
16 |
| SK Biopharmaceuticals Co., Ltd. | 277 |
13 |
| Nippon Soda Co., Ltd. | 885 |
12 |
| Rigel Pharmaceuticals, Inc. | 507 |
11 |
| Viamet Pharmaceuticals, Inc. | 36 |
11 |
| Bayer Cropscience AG | 1846 |
10 |
| Zhejiang Huahai Pharmaceutical Co., Ltd. | 218 |
10 |
| Reata Pharmaceuticals, Inc. | 116 |
9 |
| F. Hoffmann-La Roche AG | 7836 |
8 |
| Bayer Pharma AG | 1014 |
8 |
| Board of Regents, The University of Texas System | 6102 |
8 |
| Global Blood Therapeutics, Inc. | 169 |
8 |
| Pacific Scientific Energetic Materials Company | 48 |
8 |
| Neurosearch A/S | 146 |
8 |
| Grey Wolf Therapeutics Limited | 17 |
8 |
| Boehringer Ingelheim International GmbH | 4493 |
7 |
| Other owners | 848 |