- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 409/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
Patent holdings for IPC class C07D 409/12
Total number of patents in this class: 4478
10-year publication summary
|
290
|
279
|
266
|
269
|
278
|
226
|
278
|
307
|
266
|
222
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Duk San Neolux Co., Ltd. | 668 |
95 |
| Takeda Pharmaceutical Company Limited | 2721 |
75 |
| Samsung Display Co., Ltd. | 36317 |
66 |
| Bristol-myers Squibb Company | 4826 |
60 |
| LG Chem, Ltd. | 17706 |
58 |
| Syngenta Participations AG | 1730 |
55 |
| LT Materials Co., Ltd. | 414 |
55 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 295 |
55 |
| Boehringer Ingelheim International GmbH | 4636 |
50 |
| Janssen Pharmaceutica N.V. | 3358 |
50 |
| Allergan, Inc. | 2313 |
48 |
| Bayer Cropscience AG | 1983 |
47 |
| F. Hoffmann-La Roche AG | 7937 |
46 |
| Bayer AG | 3401 |
42 |
| Merck Patent GmbH | 5752 |
41 |
| Astellas Pharma Inc. | 1057 |
38 |
| Merck Sharp & Dohme LLC | 3732 |
38 |
| Novartis AG | 10612 |
37 |
| BASF SE | 21098 |
37 |
| AstraZeneca AB | 2857 |
32 |
| Other owners | 3453 |