- 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: 272
10-year publication summary
|
18
|
28
|
29
|
14
|
28
|
22
|
13
|
17
|
12
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5873 |
32 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5117 |
14 |
| Crius Technology Group, Inc. | 20 |
11 |
| Samsung Display Co., Ltd. | 33218 |
8 |
| Sumitomo Chemical Company, Limited | 8990 |
8 |
| Oregon Health & Science University | 759 |
8 |
| Hodogaya Chemical Co., Ltd. | 427 |
7 |
| Kyushu University, National University Corporation | 1634 |
5 |
| LG Chem, Ltd. | 17681 |
4 |
| Life Technologies Corporation | 3242 |
4 |
| Icahn School of Medicine at Mount Sinai | 913 |
4 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
4 |
| Taisho Pharmaceutical Co., Ltd. | 861 |
4 |
| Toyama Chemical Co., Ltd. | 108 |
4 |
| Universal Display Corporation | 1835 |
4 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 232 |
4 |
| Ricoh Company, Ltd. | 13213 |
3 |
| Tsinghua University | 5748 |
3 |
| Ascensia Diabetes Care Holdings AG | 599 |
3 |
| Kyulux, Inc. | 221 |
3 |
| Other owners | 135 |