- 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: 1278
10-year publication summary
|
87
|
102
|
87
|
111
|
94
|
100
|
124
|
144
|
121
|
77
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4219 |
127 |
| Duk San Neolux Co., Ltd. | 651 |
121 |
| LG Chem, Ltd. | 17632 |
118 |
| Merck Patent GmbH | 5831 |
96 |
| Samsung Display Co., Ltd. | 34696 |
88 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 259 |
72 |
| Tokyo Ohka Kogyo Co., Ltd. | 1542 |
47 |
| Universal Display Corporation | 1909 |
37 |
| Shin-Etsu Chemical Co., Ltd. | 5658 |
29 |
| Semiconductor Energy Laboratory Co., Ltd. | 11403 |
27 |
| FUJIFILM Corporation | 29367 |
25 |
| Sumitomo Chemical Company, Limited | 9046 |
24 |
| LT Materials Co., Ltd. | 406 |
24 |
| Samsung SDI Co., Ltd. | 8319 |
21 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
21 |
| Doosan Corporation | 434 |
16 |
| Canon Kabushiki Kaisha | 7056 |
15 |
| Canon Inc. | 39888 |
13 |
| Crius Technology Group, Inc. | 22 |
11 |
| UDC Ireland Limited | 478 |
10 |
| Other owners | 336 |