- 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: 1405
10-year publication summary
|
102
|
87
|
111
|
93
|
101
|
125
|
142
|
121
|
131
|
76
|
| 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. | 703 |
131 |
| LG Chem, Ltd. | 17950 |
121 |
| Idemitsu Kosan Co., Ltd. | 4257 |
120 |
| Merck Patent GmbH | 5735 |
99 |
| Samsung Display Co., Ltd. | 38817 |
94 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 323 |
77 |
| Tokyo Ohka Kogyo Co., Ltd. | 1569 |
62 |
| FUJIFILM Corporation | 30594 |
52 |
| Universal Display Corporation | 2095 |
38 |
| Shin-Etsu Chemical Co., Ltd. | 6120 |
35 |
| Semiconductor Energy Laboratory Co., Ltd. | 11855 |
31 |
| JSR Corporation | 2552 |
27 |
| LT Materials Co., Ltd. | 445 |
26 |
| Sumitomo Chemical Company, Limited | 8968 |
24 |
| Samsung SDI Co., Ltd. | 10719 |
22 |
| Rohm and Haas Electronic Materials Korea Ltd. | 332 |
21 |
| Doosan Corporation | 431 |
16 |
| Canon Kabushiki Kaisha | 7360 |
15 |
| Canon Inc. | 44051 |
13 |
| UDC Ireland Limited | 506 |
13 |
| Other owners | 368 |