- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 333/74 - Naphthothiophenes
Patent holdings for IPC class C07D 333/74
Total number of patents in this class: 52
10-year publication summary
|
0
|
7
|
5
|
7
|
1
|
2
|
4
|
1
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4116 |
6 |
| Sumitomo Dainippon Pharma Oncology, Inc. | 18 |
4 |
| Samsung Electronics Co., Ltd. | 139551 |
2 |
| LG Chem, Ltd. | 17657 |
2 |
| Duk San Neolux Co., Ltd. | 593 |
2 |
| UCL Business plc | 545 |
2 |
| Revvity Health Sciences, Inc. | 241 |
2 |
| Bristol-myers Squibb Company | 4861 |
1 |
| BASF SE | 20458 |
1 |
| The Regents of the University of California | 19572 |
1 |
| Merck Patent GmbH | 5856 |
1 |
| FUJIFILM Corporation | 28841 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 11109 |
1 |
| Samsung SDI Co., Ltd. | 7405 |
1 |
| Sumitomo Chemical Company, Limited | 8997 |
1 |
| Tsinghua University | 5719 |
1 |
| National Taiwan University | 1172 |
1 |
| Academia Sinica | 918 |
1 |
| Alliance for Sustainable Energy, LLC | 758 |
1 |
| Beijing Visionox Technology Co., Ltd. | 30 |
1 |
| Other owners | 19 |