- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 487/06 - Peri-condensed systems
Patent holdings for IPC class C07D 487/06
Total number of patents in this class: 457
10-year publication summary
|
35
|
37
|
19
|
36
|
44
|
39
|
22
|
35
|
41
|
11
|
| 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 |
29 |
| Bristol-myers Squibb Company | 5080 |
22 |
| Merck Patent GmbH | 5909 |
20 |
| Pfizer Inc. | 3322 |
16 |
| Intervet International B.V. | 1235 |
14 |
| UDC Ireland Limited | 496 |
12 |
| Universal Display Corporation | 1678 |
11 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
10 |
| LG Chem, Ltd. | 17205 |
9 |
| Takeda Pharmaceutical Company Limited | 2961 |
8 |
| Medshine Discovery Inc. | 581 |
7 |
| Massachusetts Institute of Technology | 9795 |
6 |
| ArQule, Inc. | 145 |
6 |
| BeiGene Switzerland GmbH | 127 |
6 |
| Samsung Display Co., Ltd. | 30585 |
5 |
| Cancer Research Technology Limited | 542 |
5 |
| Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | 616 |
5 |
| Duk San Neolux Co., Ltd. | 512 |
5 |
| Eisai Inc. | 112 |
5 |
| SFC Co., Ltd. | 277 |
5 |
| Other owners | 251 |