- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 209/18 - Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Patent holdings for IPC class C07D 209/18
Total number of patents in this class: 441
10-year publication summary
|
29
|
31
|
36
|
22
|
30
|
24
|
23
|
28
|
23
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vertex Pharmaceuticals Incorporated | 1589 |
15 |
| Bristol-myers Squibb Company | 4758 |
9 |
| Kake Educational Institution | 63 |
8 |
| Tohoku University | 3065 |
8 |
| Vectus Biosystems Limited | 28 |
7 |
| The Regents of the University of California | 21018 |
6 |
| Centre National de La Recherche Scientifique | 11171 |
6 |
| The Johns Hopkins University | 5972 |
5 |
| Cornell University | 3461 |
5 |
| Taipei Medical University | 233 |
5 |
| Diaccurate | 28 |
5 |
| The Regents of the University of Michigan | 5103 |
4 |
| Takeda Pharmaceutical Company Limited | 2695 |
4 |
| Inter-University Research Institute Corporation Research Organization of Information and Systems | 123 |
4 |
| Nanoquantum Sciences, Inc. | 6 |
4 |
| Yale University | 2585 |
4 |
| Ústav organické chemie a biochemie AV {hacek over (C)}R, v.v.i. | 6 |
4 |
| Novartis AG | 10162 |
3 |
| Pfizer Inc. | 3435 |
3 |
| Allergan, Inc. | 2137 |
3 |
| Other owners | 329 |