- 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: 200
10-year publication summary
|
8
|
8
|
12
|
18
|
15
|
9
|
7
|
9
|
12
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Sharp & Dohme LLC | 3737 |
11 |
| Akebia Therapeutics, Inc. | 115 |
6 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 836 |
5 |
| OPKO Health, Inc. | 45 |
4 |
| Temple University of the Commonwealth System of Higher Education | 631 |
4 |
| Tianjin Chasesun Pharmaceutical Co., Ltd | 13 |
4 |
| Saudi Aramco Technologies Company | 109 |
4 |
| Praeventix, LLC | 14 |
4 |
| Mebias Discovery, Inc. | 9 |
4 |
| Hoffmann-La Roche Inc. | 3489 |
3 |
| Merck Sharp & Dohme Corp. | 2190 |
3 |
| Janssen Pharmaceutica N.V. | 3367 |
3 |
| BioTheryX, Inc. | 100 |
3 |
| Olema Pharmaceuticals, Inc. | 58 |
3 |
| SICPA Holding SA | 919 |
3 |
| Signum Biosciences, Inc. | 43 |
3 |
| Lockheed Martin Energy, LLC | 146 |
3 |
| Ozchela Inc. | 4 |
3 |
| Pillai Universal LLC | 15 |
3 |
| The Regents of the University of California | 20153 |
2 |
| Other owners | 122 |