- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 421/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having selenium, tellurium, or halogen atoms as ring hetero atoms containing three or more hetero rings
Patent holdings for IPC class C07D 421/14
Total number of patents in this class: 90
10-year publication summary
|
2
|
6
|
2
|
6
|
8
|
5
|
9
|
9
|
12
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 145416 |
17 |
| FUJIFILM Corporation | 29305 |
6 |
| Medshine Discovery Inc. | 600 |
3 |
| Universal Display Corporation | 1900 |
3 |
| Samsung Display Co., Ltd. | 34539 |
2 |
| Georgia State University Research Foundation, Inc. | 344 |
2 |
| National Research Council of Canada | 1549 |
2 |
| Revolution Medicines, Inc. | 233 |
2 |
| The University of Tokyo | 4168 |
2 |
| Beijing Summer Sprout Technology Co., Ltd. | 132 |
2 |
| Phaeno Therapeutics Co., Ltd. | 11 |
2 |
| DuPont Specialty Materials Korea Ltd. | 286 |
2 |
| Aigen Sciences Inc. | 3 |
2 |
| LG Display Co., Ltd. | 13397 |
1 |
| Sony Corporation | 31093 |
1 |
| Merck KGAA | 2497 |
1 |
| Merck Patent GmbH | 5829 |
1 |
| Cheil Industries Inc. | 898 |
1 |
| President and Fellows of Harvard College | 5966 |
1 |
| Korea Institute of Science and Technology | 2115 |
1 |
| Other owners | 36 |