- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 25/18 - Polycyclic aromatic halogenated hydrocarbons
Patent holdings for IPC class C07C 25/18
Total number of patents in this class: 237
10-year publication summary
|
13
|
10
|
10
|
10
|
9
|
8
|
15
|
23
|
18
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JSR Corporation | 2559 |
22 |
| FUJIFILM Corporation | 30774 |
21 |
| Shin-Etsu Chemical Co., Ltd. | 6148 |
17 |
| Sumitomo Chemical Company, Limited | 8989 |
12 |
| Tokyo Ohka Kogyo Co., Ltd. | 1557 |
9 |
| Merck Patent GmbH | 5755 |
7 |
| Albemarle Corporation | 469 |
5 |
| BASF SE | 21318 |
4 |
| JNC Corporation | 1555 |
4 |
| P&H Tech Co., Ltd | 57 |
4 |
| Apple Inc. | 59354 |
3 |
| Chisso Petrochemical Corporation | 52 |
3 |
| DIC Corporation | 4000 |
3 |
| JNC Petrochemical Corporation | 328 |
3 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1868 |
3 |
| National University Corporation Hokkaido University | 1384 |
3 |
| DuPont Electronic Materials International, LLC | 432 |
3 |
| Jicc-02 Co., Ltd. | 266 |
3 |
| Samsung Display Co., Ltd. | 39154 |
2 |
| Genentech, Inc. | 4147 |
2 |
| Other owners | 104 |