- 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: 4475
10-year publication summary
|
305
|
295
|
302
|
309
|
257
|
308
|
332
|
286
|
248
|
178
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Duk San Neolux Co., Ltd. | 705 |
99 |
| Takeda Pharmaceutical Company Limited | 2709 |
74 |
| Samsung Display Co., Ltd. | 39229 |
69 |
| Bristol-myers Squibb Company | 4747 |
59 |
| LG Chem, Ltd. | 17986 |
59 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 327 |
59 |
| LT Materials Co., Ltd. | 441 |
56 |
| Syngenta Participations AG | 1474 |
50 |
| Boehringer Ingelheim International GmbH | 4491 |
49 |
| F. Hoffmann-La Roche AG | 7795 |
45 |
| Janssen Pharmaceutica N.V. | 3137 |
45 |
| Bayer AG | 3566 |
44 |
| Bayer Cropscience AG | 1820 |
44 |
| Merck Patent GmbH | 5751 |
43 |
| Allergan, Inc. | 2145 |
38 |
| Merck Sharp & Dohme LLC | 3734 |
38 |
| Novartis AG | 10170 |
36 |
| BASF SE | 21334 |
35 |
| Alcon, Inc. | 5944 |
32 |
| Idemitsu Kosan Co., Ltd. | 4298 |
30 |
| Other owners | 3471 |