- 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: 458
10-year publication summary
|
17
|
24
|
31
|
49
|
37
|
20
|
21
|
11
|
13
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4850 |
20 |
| AstraZeneca AB | 2877 |
18 |
| Dainippon Sumitomo Pharma Co., Ltd. | 181 |
11 |
| Glaxosmithkline LLC | 535 |
10 |
| Gilead Sciences, Inc. | 2060 |
10 |
| The Regents of the University of California | 20137 |
9 |
| Shenzhen University | 1652 |
9 |
| Howard Hughes Medical Institute | 229 |
8 |
| AstraZeneca UK Limited | 617 |
6 |
| University of Georgia Research Foundation, Inc. | 1040 |
6 |
| Geron Corporation | 166 |
5 |
| Modernatx, Inc. | 1296 |
5 |
| Shenzhen Kangjuzheng Pharmaceutical Technology Co., Ltd | 6 |
5 |
| Shionogi & Co., Ltd. | 843 |
5 |
| Wave Life Sciences Ltd. | 178 |
5 |
| Zhejiang Medicine Co., Ltd. Xinchang Pharmaceutical Factory | 99 |
5 |
| Glaxosmithkline Biologicals S.A. | 1651 |
4 |
| Carnegie Mellon University | 1555 |
4 |
| Rhizen Pharmaceuticals AG | 55 |
4 |
| Sumitomo Pharma Co., Ltd. | 561 |
4 |
| Other owners | 305 |