- 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: 78
10-year publication summary
|
3
|
10
|
6
|
5
|
2
|
2
|
3
|
7
|
1
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HallStar Beauty and Personal Care Innovations Company | 70 |
6 |
| Howard Hughes Medical Institute | 232 |
5 |
| Idemitsu Kosan Co., Ltd. | 4218 |
4 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 87 |
4 |
| Changzhou Tronly New Electronic Materials Co.,Ltd. | 84 |
4 |
| Durham University | 38 |
4 |
| Universal Display Corporation | 2072 |
4 |
| William Marsh Rice University | 1062 |
4 |
| Johnson & Johnson Vision Care, Inc. | 1159 |
3 |
| Samsung SDI Co., Ltd. | 10426 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 6037 |
3 |
| WisTa Laboratories Ltd. | 127 |
3 |
| Samsung Display Co., Ltd. | 38352 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47999 |
2 |
| JSR Corporation | 2539 |
2 |
| Changzhou Tronly Opto-Electronic Materials Co., Ltd. | 13 |
2 |
| LG Chem, Ltd. | 17913 |
1 |
| Merck Patent GmbH | 5730 |
1 |
| Tokyo Electron Limited | 13709 |
1 |
| Wako Pure Chemical Industries, Ltd. | 119 |
1 |
| Other owners | 19 |