- 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: 4470
10-year publication summary
|
321
|
304
|
294
|
299
|
309
|
257
|
305
|
330
|
271
|
151
|
| 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. | 653 |
93 |
| Takeda Pharmaceutical Company Limited | 2709 |
75 |
| Samsung Display Co., Ltd. | 34798 |
65 |
| Bristol-myers Squibb Company | 4893 |
61 |
| LG Chem, Ltd. | 17638 |
58 |
| Syngenta Participations AG | 1902 |
55 |
| LT Materials Co., Ltd. | 408 |
53 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 260 |
51 |
| Boehringer Ingelheim International GmbH | 4648 |
50 |
| Janssen Pharmaceutica N.V. | 3383 |
50 |
| F. Hoffmann-La Roche AG | 7921 |
49 |
| Allergan, Inc. | 2346 |
48 |
| Bayer Cropscience AG | 2036 |
47 |
| Merck Patent GmbH | 5823 |
41 |
| Bayer AG | 3331 |
41 |
| Astellas Pharma Inc. | 1092 |
41 |
| Novartis AG | 10850 |
39 |
| BASF SE | 20915 |
37 |
| Merck Sharp & Dohme LLC | 3741 |
37 |
| AstraZeneca AB | 2908 |
34 |
| Other owners | 3445 |