- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 333/76 - Dibenzothiophenes
Patent holdings for IPC class C07D 333/76
Total number of patents in this class: 1204
10-year publication summary
|
86
|
102
|
87
|
111
|
94
|
100
|
123
|
143
|
121
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4106 |
126 |
| LG Chem, Ltd. | 17632 |
116 |
| Duk San Neolux Co., Ltd. | 587 |
105 |
| Merck Patent GmbH | 5847 |
91 |
| Samsung Display Co., Ltd. | 32700 |
85 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 222 |
69 |
| Universal Display Corporation | 1813 |
37 |
| Tokyo Ohka Kogyo Co., Ltd. | 1509 |
32 |
| Semiconductor Energy Laboratory Co., Ltd. | 11071 |
25 |
| Shin-Etsu Chemical Co., Ltd. | 5439 |
25 |
| Sumitomo Chemical Company, Limited | 8976 |
24 |
| FUJIFILM Corporation | 28506 |
23 |
| LT Materials Co., Ltd. | 364 |
23 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
21 |
| Samsung SDI Co., Ltd. | 7296 |
19 |
| Doosan Corporation | 435 |
16 |
| Canon Kabushiki Kaisha | 6939 |
14 |
| Canon Inc. | 38071 |
11 |
| Crius Technology Group, Inc. | 20 |
11 |
| UDC Ireland Limited | 490 |
10 |
| Other owners | 321 |