- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 221/00 - Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups
Patent holdings for IPC class C07D 221/00
Total number of patents in this class: 187
10-year publication summary
|
9
|
10
|
12
|
19
|
18
|
10
|
7
|
8
|
11
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Sharp & Dohme LLC | 3753 |
11 |
| Akebia Therapeutics, Inc. | 114 |
5 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 824 |
5 |
| OPKO Health, Inc. | 49 |
4 |
| Tianjin Chasesun Pharmaceutical Co., Ltd | 13 |
4 |
| Saudi Aramco Technologies Company | 108 |
4 |
| Hoffmann-La Roche Inc. | 3400 |
3 |
| Merck Sharp & Dohme Corp. | 2200 |
3 |
| BioTheryX, Inc. | 99 |
3 |
| Olema Pharmaceuticals, Inc. | 52 |
3 |
| SICPA Holding SA | 908 |
3 |
| Signum Biosciences, Inc. | 42 |
3 |
| Temple University of the Commonwealth System of Higher Education | 608 |
3 |
| Lockheed Martin Energy, LLC | 143 |
3 |
| Praeventix, LLC | 13 |
3 |
| Mebias Discovery, Inc. | 8 |
3 |
| Ozchela Inc. | 4 |
3 |
| Pillai Universal LLC | 14 |
3 |
| The Regents of the University of California | 19859 |
2 |
| Janssen Pharmaceutica N.V. | 3407 |
2 |
| Other owners | 114 |