- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 213/53 - Nitrogen atoms
Patent holdings for IPC class C07D 213/53
Total number of patents in this class: 246
10-year publication summary
|
15
|
15
|
14
|
26
|
19
|
10
|
9
|
10
|
7
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| University of Namibia | 7 |
7 |
| Nissan Chemical Corporation | 2095 |
6 |
| The Research Foundation for The State University of New York | 1657 |
5 |
| Saudi Aramco Technologies Company | 109 |
5 |
| Canon Inc. | 40926 |
4 |
| Rutgers, The State University of New Jersey | 1929 |
4 |
| Southwest Research Institute | 737 |
4 |
| UT-Battelle, LLC | 1473 |
4 |
| Abbvie Inc. | 1813 |
3 |
| Eli Lilly and Company | 3892 |
3 |
| Emory University | 1652 |
3 |
| Guangdong Aglaia Optoelectronic Materials Co., Ltd. | 168 |
3 |
| Hodogaya Chemical Co., Ltd. | 435 |
3 |
| Neoculi Pty Ltd | 18 |
3 |
| Novaled GmbH | 452 |
3 |
| Dow Silicones Corporation | 1980 |
3 |
| Lighthouse Pharmaceuticals, Inc. | 11 |
3 |
| Bristol-myers Squibb Company | 4833 |
2 |
| The Regents of the University of California | 20245 |
2 |
| E. I. du Pont de Nemours and Company | 3913 |
2 |
| Other owners | 174 |