- 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: 1110
10-year publication summary
|
64
|
86
|
102
|
87
|
108
|
94
|
100
|
122
|
142
|
31
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 3995 |
121 |
| LG Chem, Ltd. | 17205 |
108 |
| Duk San Neolux Co., Ltd. | 512 |
100 |
| Merck Patent GmbH | 5909 |
90 |
| Samsung Display Co., Ltd. | 30585 |
79 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 190 |
59 |
| Universal Display Corporation | 1678 |
34 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
25 |
| Sumitomo Chemical Company, Limited | 8808 |
24 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
24 |
| LT Materials Co., Ltd. | 312 |
19 |
| FUJIFILM Corporation | 27102 |
18 |
| Samsung SDI Co., Ltd. | 6671 |
18 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
17 |
| Doosan Corporation | 444 |
16 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
15 |
| Canon Kabushiki Kaisha | 6884 |
14 |
| Canon Inc. | 36841 |
11 |
| Crius Technology Group, Inc. | 19 |
11 |
| UDC Ireland Limited | 496 |
10 |
| Other owners | 297 |