- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 257/04 - Five-membered rings
Patent holdings for IPC class C07D 257/04
Total number of patents in this class: 1170
10-year publication summary
|
118
|
101
|
83
|
73
|
75
|
82
|
76
|
66
|
57
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8808 |
36 |
| Theravance Biopharma R&D IP, LLC | 550 |
26 |
| Bristol-myers Squibb Company | 5080 |
22 |
| Novartis AG | 11238 |
20 |
| Allergan, Inc. | 2600 |
17 |
| Rigel Pharmaceuticals, Inc. | 613 |
14 |
| Bayer Cropscience AG | 2241 |
12 |
| Nippon Soda Co., Ltd. | 890 |
12 |
| SK Biopharmaceuticals Co., Ltd. | 248 |
12 |
| Pacific Scientific Energetic Materials Company | 51 |
11 |
| Viamet Pharmaceuticals, Inc. | 39 |
11 |
| F. Hoffmann-La Roche AG | 7958 |
10 |
| Global Blood Therapeutics, Inc. | 180 |
10 |
| Zhejiang Huahai Pharmaceutical Co., Ltd. | 178 |
10 |
| Crystal PharmaTech Co., Ltd | 87 |
9 |
| Reata Pharmaceuticals, Inc. | 127 |
9 |
| The Regents of the University of California | 18943 |
8 |
| Boehringer Ingelheim International GmbH | 4629 |
8 |
| Bayer Pharma AG | 1096 |
8 |
| Board of Regents, The University of Texas System | 5370 |
8 |
| Other owners | 897 |