- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 333/76 - Dibenzothiophenes
Patent holdings for IPC class C07D 333/76
Total number of patents in this class: 1420
10-year publication summary
|
102
|
87
|
111
|
93
|
101
|
125
|
142
|
122
|
131
|
92
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Duk San Neolux Co., Ltd. | 705 |
132 |
| LG Chem, Ltd. | 17997 |
121 |
| Idemitsu Kosan Co., Ltd. | 4299 |
120 |
| Merck Patent GmbH | 5761 |
98 |
| Samsung Display Co., Ltd. | 39307 |
96 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 327 |
79 |
| Tokyo Ohka Kogyo Co., Ltd. | 1558 |
64 |
| FUJIFILM Corporation | 30849 |
53 |
| Universal Display Corporation | 2129 |
38 |
| Shin-Etsu Chemical Co., Ltd. | 6173 |
35 |
| Semiconductor Energy Laboratory Co., Ltd. | 11922 |
31 |
| JSR Corporation | 2538 |
30 |
| LT Materials Co., Ltd. | 442 |
26 |
| Sumitomo Chemical Company, Limited | 8995 |
24 |
| Samsung SDI Co., Ltd. | 11033 |
22 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
21 |
| Doosan Corporation | 432 |
16 |
| Canon Kabushiki Kaisha | 7417 |
15 |
| Canon Inc. | 44585 |
13 |
| UDC Ireland Limited | 505 |
13 |
| Other owners | 373 |