- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/58 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulfur atoms in position 2 or 4
Patent holdings for IPC class C07D 311/58
Total number of patents in this class: 431
10-year publication summary
|
30
|
26
|
28
|
25
|
30
|
30
|
25
|
24
|
20
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lupin Limited | 431 |
11 |
| Mochida Pharmaceutical Co., Ltd. | 340 |
11 |
| Aardvark Therapeutics Inc. | 51 |
10 |
| Bristol-myers Squibb Company | 4826 |
9 |
| Artax Biopharma Inc. | 23 |
9 |
| Menarini International Operations Luxembourg S.A. | 87 |
8 |
| BASF SE | 21098 |
7 |
| F.I.S. Fabbrica Italiana Sintetici S.p.A. | 131 |
7 |
| Queen's University at Kingston | 536 |
7 |
| AbbVie Deutschland GmbH & Co. KG | 264 |
6 |
| Askat Inc. | 51 |
6 |
| Euclises Pharmaceuticals, Inc. | 12 |
6 |
| Neoculi Pty Ltd | 18 |
6 |
| Abbvie Inc. | 1817 |
5 |
| Gilead Sciences, Inc. | 2106 |
5 |
| The University of British Columbia | 1538 |
5 |
| Zyus Life Sciences Inc. | 21 |
5 |
| Biosplice Therapeutics, Inc. | 174 |
5 |
| DSM IP Assets B.V. | 5561 |
4 |
| Canopy Growth Corporation | 222 |
4 |
| Other owners | 295 |