- 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: 4468
10-year publication summary
|
290
|
279
|
266
|
269
|
278
|
226
|
277
|
308
|
266
|
177
|
| 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. | 659 |
95 |
| Takeda Pharmaceutical Company Limited | 2706 |
74 |
| Samsung Display Co., Ltd. | 35269 |
65 |
| Bristol-myers Squibb Company | 4855 |
60 |
| LG Chem, Ltd. | 17656 |
58 |
| Syngenta Participations AG | 1837 |
55 |
| LT Materials Co., Ltd. | 410 |
53 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 271 |
52 |
| Boehringer Ingelheim International GmbH | 4646 |
50 |
| Janssen Pharmaceutica N.V. | 3362 |
50 |
| F. Hoffmann-La Roche AG | 7947 |
48 |
| Allergan, Inc. | 2337 |
48 |
| Bayer Cropscience AG | 2015 |
47 |
| Merck Patent GmbH | 5768 |
41 |
| Bayer AG | 3346 |
41 |
| Astellas Pharma Inc. | 1085 |
40 |
| Novartis AG | 10725 |
37 |
| BASF SE | 20991 |
37 |
| Merck Sharp & Dohme LLC | 3757 |
37 |
| AstraZeneca AB | 2895 |
33 |
| Other owners | 3447 |