- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/74 - Benzo [b] pyrans, hydrogenated in the carbocyclic ring
Patent holdings for IPC class C07D 311/74
Total number of patents in this class: 194
10-year publication summary
|
8
|
5
|
8
|
24
|
21
|
16
|
9
|
9
|
12
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Emerald Health Therapeutics Canada Inc. | 19 |
14 |
| JSR Corporation | 2527 |
6 |
| Sulfateq B.V. | 29 |
6 |
| Tresvertol Inc. | 7 |
5 |
| BASF SE | 20940 |
3 |
| Biogen MA Inc. | 894 |
3 |
| Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo | 58 |
3 |
| Kyowa Kirin Co., Ltd. | 370 |
3 |
| AstraZeneca AB | 2892 |
2 |
| Abbott Laboratories | 2402 |
2 |
| DSM IP Assets B.V. | 5585 |
2 |
| Abbvie Inc. | 1800 |
2 |
| Artax Biopharma Inc. | 18 |
2 |
| BIAL - Portela & CA, S.A. | 222 |
2 |
| Corbus Pharmaceuticals, Inc. | 31 |
2 |
| CV Therapeutics, Inc. | 38 |
2 |
| Gachon University of Industry-academic Cooperation Foundation | 302 |
2 |
| Hamari Chemicals, Ltd. | 32 |
2 |
| Indiana University Research and Technology Corporation | 799 |
2 |
| Indiana University Research & Technology Corporation | 145 |
2 |
| Other owners | 127 |