- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 277/56 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
Patent holdings for IPC class C07D 277/56
Total number of patents in this class: 702
10-year publication summary
|
44
|
40
|
49
|
33
|
44
|
34
|
37
|
33
|
23
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Astellas Pharma Inc. | 1083 |
16 |
| Boehringer Ingelheim International GmbH | 4645 |
13 |
| Theravance Biopharma R&D IP, LLC | 456 |
13 |
| Bayer Pharma AG | 1052 |
12 |
| Takeda Pharmaceutical Company Limited | 2703 |
12 |
| Aldeyra Therapeutics, Inc. | 109 |
11 |
| Sumitomo Chemical Company, Limited | 9044 |
10 |
| Avexxin AS | 46 |
10 |
| Syngenta Crop Protection AG | 6077 |
9 |
| Teijin Pharma Limited | 260 |
9 |
| Syngenta Participations AG | 1894 |
8 |
| Allergan, Inc. | 2337 |
8 |
| Arcus Biosciences, Inc. | 140 |
8 |
| Palobiofarma, S.L. | 36 |
8 |
| Bayer Cropscience AG | 2037 |
7 |
| Siemens Medical Solutions USA, Inc. | 1519 |
7 |
| NGK Insulators, Ltd. | 4982 |
7 |
| Hangzhou DAC Biotech Co., Ltd | 102 |
7 |
| Kissei Pharmaceutical Co., Ltd. | 183 |
7 |
| Guangzhou Innocare Pharma Tech Co., Ltd. | 12 |
7 |
| Other owners | 513 |