- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 335/12 - Thioxanthenes
Patent holdings for IPC class C07D 335/12
Total number of patents in this class: 65
10-year publication summary
|
8
|
3
|
10
|
6
|
4
|
2
|
2
|
3
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HallStar Beauty and Personal Care Innovations Company | 66 |
6 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 77 |
4 |
| Changzhou Tronly New Electronic Materials Co.,Ltd. | 76 |
4 |
| Durham University | 37 |
4 |
| Universal Display Corporation | 1853 |
4 |
| William Marsh Rice University | 996 |
4 |
| Samsung SDI Co., Ltd. | 7769 |
3 |
| Idemitsu Kosan Co., Ltd. | 4128 |
3 |
| WisTa Laboratories Ltd. | 126 |
3 |
| Johnson & Johnson Vision Care, Inc. | 1181 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 41636 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5557 |
2 |
| Changzhou Tronly Opto-Electronic Materials Co., Ltd. | 6 |
2 |
| Samsung Display Co., Ltd. | 33816 |
1 |
| LG Chem, Ltd. | 17479 |
1 |
| Merck Patent GmbH | 5831 |
1 |
| Tokyo Electron Limited | 12371 |
1 |
| JSR Corporation | 2503 |
1 |
| Wako Pure Chemical Industries, Ltd. | 138 |
1 |
| Adeka Corporation | 1358 |
1 |
| Other owners | 15 |