- 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: 56
10-year publication summary
|
0
|
7
|
5
|
7
|
1
|
2
|
4
|
1
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4228 |
6 |
| Sumitomo Dainippon Pharma Oncology, Inc. | 18 |
4 |
| Duk San Neolux Co., Ltd. | 655 |
3 |
| Samsung Electronics Co., Ltd. | 147131 |
2 |
| Samsung Display Co., Ltd. | 35017 |
2 |
| LG Chem, Ltd. | 17636 |
2 |
| UCL Business plc | 538 |
2 |
| Revvity Health Sciences, Inc. | 288 |
2 |
| Bristol-myers Squibb Company | 4872 |
1 |
| BASF SE | 20967 |
1 |
| The Regents of the University of California | 20015 |
1 |
| Merck Patent GmbH | 5814 |
1 |
| FUJIFILM Corporation | 29489 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 11456 |
1 |
| Samsung SDI Co., Ltd. | 8437 |
1 |
| Sumitomo Chemical Company, Limited | 9044 |
1 |
| Tsinghua University | 5940 |
1 |
| National Taiwan University | 1230 |
1 |
| Academia Sinica | 945 |
1 |
| Alliance for Sustainable Energy, LLC | 805 |
1 |
| Other owners | 21 |