- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 333/40 - Thiophene-2-carboxylic acid
Patent holdings for IPC class C07D 333/40
Total number of patents in this class: 166
10-year publication summary
|
10
|
7
|
9
|
11
|
4
|
6
|
9
|
6
|
8
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Allergan, Inc. | 2167 |
22 |
| Takeda Pharmaceutical Company Limited | 2712 |
11 |
| Vertex Pharmaceuticals Incorporated | 1582 |
8 |
| EA Pharma Co., Ltd. | 96 |
6 |
| Nitto Denko Corporation | 8536 |
5 |
| Alcon, Inc. | 5861 |
5 |
| Eonhf, Inc. | 45 |
5 |
| Astellas Pharma Inc. | 1044 |
4 |
| Ishihara Sangyo Kaisha, Ltd. | 659 |
4 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 873 |
4 |
| Bayer AG | 3501 |
3 |
| Northwestern University | 3543 |
3 |
| Iowa State University Research Foundation, Inc. | 827 |
3 |
| Uif (university Industry Foundation), Yonsei University | 822 |
3 |
| Celloram Inc. | 11 |
3 |
| Sumitomo Chemical Company, Limited | 9016 |
2 |
| JSR Corporation | 2554 |
2 |
| Millennium Pharmaceuticals, Inc. | 430 |
2 |
| ASKA Pharmaceutical Co., Ltd. | 97 |
2 |
| Chung-Ang University Industry-Academy Cooperation Foundation | 488 |
2 |
| Other owners | 67 |