- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 277/20 - Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
Patent holdings for IPC class C07D 277/20
Total number of patents in this class: 328
10-year publication summary
|
11
|
9
|
13
|
10
|
6
|
2
|
5
|
9
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Astellas Pharma Inc. | 1042 |
17 |
| Sumitomo Chemical Company, Limited | 9018 |
15 |
| Takeda Pharmaceutical Company Limited | 2713 |
12 |
| Shionogi & Co., Ltd. | 873 |
12 |
| Teijin Pharma Limited | 255 |
8 |
| Daiichi Sankyo Company, Limited | 1894 |
7 |
| Taisho Pharmaceutical Co., Ltd. | 853 |
7 |
| Toyama Chemical Co., Ltd. | 89 |
6 |
| Bristol-myers Squibb Company | 4725 |
5 |
| Toray Industries, Inc. | 7092 |
5 |
| Dainippon Sumitomo Pharma Co., Ltd. | 167 |
5 |
| Kissei Pharmaceutical Co., Ltd. | 178 |
5 |
| New York Blood Center, Inc. | 169 |
5 |
| Ono Pharmaceutical Co., Ltd. | 424 |
5 |
| Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo | 37 |
4 |
| ASKA Pharmaceutical Co., Ltd. | 98 |
3 |
| Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | 768 |
3 |
| Japan Tobacco Inc. | 3552 |
3 |
| KYORIN Pharmaceutical Co., Ltd. | 162 |
3 |
| Meiji Seika Pharma Co., Ltd. | 256 |
3 |
| Other owners | 195 |