- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 277/28 - Radicals substituted by nitrogen atoms
Patent holdings for IPC class C07D 277/28
Total number of patents in this class: 434
10-year publication summary
|
26
|
38
|
25
|
29
|
24
|
29
|
25
|
23
|
19
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gilead Sciences, Inc. | 2220 |
18 |
| Cyteir Therapeutics, Inc. | 39 |
12 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3299 |
11 |
| EyePoint Pharmaceuticals, Inc. | 52 |
8 |
| Nippon Soda Co., Ltd. | 885 |
7 |
| Oryzon Genomics S.A. | 103 |
6 |
| Oncternal Therapeutics, Inc. | 35 |
6 |
| Corteva Agriscience LLC | 2645 |
6 |
| Eyepoint, Inc. | 49 |
6 |
| Bristol-myers Squibb Company | 4729 |
5 |
| BASF SE | 21303 |
5 |
| Takeda Pharmaceutical Company Limited | 2715 |
5 |
| Intervet Inc. | 923 |
5 |
| Shionogi & Co., Ltd. | 873 |
5 |
| The United States Government AS represented by The Department of Veterans Affairs | 1326 |
5 |
| The University of Toledo | 432 |
5 |
| Abbvie Inc. | 1836 |
4 |
| Osaka University | 3269 |
4 |
| Toyama Chemical Co., Ltd. | 89 |
4 |
| Calico Life Sciences LLC | 107 |
4 |
| Other owners | 303 |