- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 265/38 - [b, e]-condensed with two six-membered rings
Patent holdings for IPC class C07D 265/38
Total number of patents in this class: 270
10-year publication summary
|
18
|
28
|
29
|
14
|
28
|
22
|
13
|
17
|
12
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5831 |
33 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5282 |
14 |
| Crius Technology Group, Inc. | 22 |
11 |
| Samsung Display Co., Ltd. | 34696 |
8 |
| Sumitomo Chemical Company, Limited | 9046 |
8 |
| Oregon Health & Science University | 760 |
8 |
| Hodogaya Chemical Co., Ltd. | 434 |
7 |
| LG Chem, Ltd. | 17632 |
4 |
| Icahn School of Medicine at Mount Sinai | 946 |
4 |
| Kyushu University, National University Corporation | 1657 |
4 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
4 |
| Universal Display Corporation | 1909 |
4 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 259 |
4 |
| Ricoh Company, Ltd. | 13247 |
3 |
| Tsinghua University | 5922 |
3 |
| Ascensia Diabetes Care Holdings AG | 597 |
3 |
| Kyulux, Inc. | 234 |
3 |
| SFC Co., Ltd. | 321 |
3 |
| Taisho Pharmaceutical Co., Ltd. | 870 |
3 |
| Toyama Chemical Co., Ltd. | 102 |
3 |
| Other owners | 136 |