- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 239/86 - QuinazolinesHydrogenated quinazolines with hetero atoms directly attached in position 4
Patent holdings for IPC class C07D 239/86
Total number of patents in this class: 72
10-year publication summary
|
7
|
5
|
6
|
7
|
2
|
4
|
4
|
5
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pfizer Inc. | 3328 |
7 |
| The Trustees of Columbia University in the City of New York | 3546 |
5 |
| NY State Psychiatric Institute | 7 |
5 |
| Merck Patent GmbH | 5821 |
2 |
| Sumitomo Chemical Company, Limited | 8982 |
2 |
| Vertex Pharmaceuticals Incorporated | 1585 |
2 |
| Gilead Sciences, Inc. | 2006 |
2 |
| Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences | 120 |
2 |
| Joint Stock Company "BIOCAD" | 180 |
2 |
| Laurus Labs Private Limited | 67 |
2 |
| Liverpool School of Tropical Medicine | 28 |
2 |
| The University of Liverpool | 299 |
2 |
| Xuanzhu Pharma Co., Ltd. | 52 |
2 |
| Eisai R&D Management Co., Ltd. | 1242 |
2 |
| Jiangsu Concord Biotechnology Co., Ltd. | 4 |
2 |
| Bristol-myers Squibb Company | 4844 |
1 |
| Glaxosmithkline LLC | 538 |
1 |
| Sandoz AG | 1423 |
1 |
| FUJIFILM Corporation | 29081 |
1 |
| Glaxosmithkline Intellectual Property Development Limited | 738 |
1 |
| Other owners | 26 |