- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 213/68 - One oxygen atom attached in position 4
Patent holdings for IPC class C07D 213/68
Total number of patents in this class: 287
10-year publication summary
|
21
|
26
|
28
|
20
|
17
|
16
|
16
|
15
|
14
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Soda Co., Ltd. | 885 |
11 |
| ViiV Healthcare Company | 165 |
8 |
| Merck Patent GmbH | 5725 |
7 |
| Takeda Pharmaceutical Company Limited | 2715 |
7 |
| City of Hope | 1027 |
7 |
| Bristol-myers Squibb Company | 4729 |
6 |
| Vertex Pharmaceuticals Incorporated | 1584 |
6 |
| Astellas Pharma Inc. | 1043 |
6 |
| Syngenta Crop Protection AG | 6699 |
5 |
| Rutgers, The State University of New Jersey | 1975 |
5 |
| Glaxo Group Limited | 4370 |
4 |
| The Regents of the University of California | 20720 |
4 |
| Janssen Pharmaceutica N.V. | 3171 |
4 |
| Japan Science and Technology Agency | 1216 |
4 |
| Kotobuki Pharmaceutical Co., Ltd. | 34 |
4 |
| The Research Foundation for The State University of New York | 1738 |
4 |
| Lighthouse Pharmaceuticals, Inc. | 11 |
4 |
| FUJIFILM Corporation | 30512 |
3 |
| The Johns Hopkins University | 5875 |
3 |
| The General Hospital Corporation | 4858 |
3 |
| Other owners | 182 |