- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 239/72 - QuinazolinesHydrogenated quinazolines
Patent holdings for IPC class C07D 239/72
Total number of patents in this class: 263
10-year publication summary
|
17
|
7
|
9
|
10
|
12
|
14
|
16
|
15
|
11
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boehringer Ingelheim International GmbH | 4486 |
8 |
| Merck Patent GmbH | 5735 |
8 |
| Janssen Pharmaceutica N.V. | 3160 |
5 |
| Gilead Sciences, Inc. | 2236 |
5 |
| Merck Sharp & Dohme Corp. | 2183 |
4 |
| Nerviano Medical Sciences S.r.l. | 237 |
4 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3328 |
4 |
| Merck Sharp & Dohme LLC | 3737 |
4 |
| Emory University | 1723 |
3 |
| Exelixis, Inc. | 394 |
3 |
| Hutchison MediPharma Enterprises Limited | 10 |
3 |
| Myriad Pharmaceuticals, Inc. | 10 |
3 |
| Reata Pharmaceuticals, Inc. | 115 |
3 |
| Sichuan Huiyu Pharmaceutical Co., Ltd. | 37 |
3 |
| Wuhan LL Science and Technology Development Co., Ltd | 72 |
3 |
| Hutchmed Limited | 47 |
3 |
| Sichuan Huiyu Seacross Pharmaceutical Technology Co., Ltd. | 28 |
3 |
| Bristol-myers Squibb Company | 4757 |
2 |
| Genentech, Inc. | 4114 |
2 |
| President and Fellows of Harvard College | 6105 |
2 |
| Other owners | 188 |