- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 473/18 - Heterocyclic compounds containing purine ring systems with oxygen, sulfur, or nitrogen atoms directly attached in positions 2 and 6 one oxygen and one nitrogen atom, e.g. guanine
Patent holdings for IPC class C07D 473/18
Total number of patents in this class: 467
10-year publication summary
|
20
|
26
|
33
|
55
|
42
|
24
|
22
|
12
|
14
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AstraZeneca AB | 2909 |
24 |
| Bristol-myers Squibb Company | 4898 |
21 |
| Dainippon Sumitomo Pharma Co., Ltd. | 194 |
17 |
| Glaxosmithkline LLC | 537 |
10 |
| The Regents of the University of California | 19918 |
9 |
| Gilead Sciences, Inc. | 2036 |
9 |
| Shenzhen University | 1639 |
9 |
| Howard Hughes Medical Institute | 229 |
8 |
| AstraZeneca UK Limited | 642 |
7 |
| Geron Corporation | 165 |
5 |
| Modernatx, Inc. | 1263 |
5 |
| Shenzhen Kangjuzheng Pharmaceutical Technology Co., Ltd | 6 |
5 |
| Shionogi & Co., Ltd. | 854 |
5 |
| University of Georgia Research Foundation, Inc. | 1027 |
5 |
| Wave Life Sciences Ltd. | 169 |
5 |
| Zhejiang Medicine Co., Ltd. Xinchang Pharmaceutical Factory | 99 |
5 |
| Sumitomo Pharma Co., Ltd. | 584 |
5 |
| Glaxosmithkline Biologicals S.A. | 1646 |
4 |
| Carnegie Mellon University | 1529 |
4 |
| The Scripps Research Institute | 1346 |
4 |
| Other owners | 301 |