- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 307/30 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
Patent holdings for IPC class C07D 307/30
Total number of patents in this class: 77
10-year publication summary
|
9
|
5
|
5
|
1
|
5
|
2
|
7
|
4
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corsair Pharma, Inc. | 37 |
11 |
| BASF SE | 20915 |
5 |
| Sumitomo Electric Industries, Ltd. | 15495 |
3 |
| Kyushu University, National University Corporation | 1658 |
3 |
| National Institute of Information and Communications Technology | 636 |
3 |
| Immunic AG | 54 |
3 |
| Syngenta Participations AG | 1902 |
2 |
| Centre National de La Recherche Scientifique | 10432 |
2 |
| 4SC AG | 78 |
2 |
| Icahn School of Medicine at Mount Sinai | 949 |
2 |
| Ottawa Hospital Research Institute | 109 |
2 |
| Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences | 172 |
2 |
| Stora Enso Oyj | 1643 |
2 |
| University of Ottawa | 216 |
2 |
| Ottawa Hospital Research Institute and University of Ottawa | 2 |
2 |
| Zevra Therapeutics, Inc. | 99 |
2 |
| FUJIFILM Corporation | 29399 |
1 |
| Sumitomo Chemical Company, Limited | 9047 |
1 |
| Asahi Glass Company, Limited | 2783 |
1 |
| Showa Denko K.K. | 2226 |
1 |
| Other owners | 25 |