- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 15/20 - Polycyclic condensed hydrocarbons
Patent holdings for IPC class C07C 15/20
Total number of patents in this class: 149
10-year publication summary
|
3
|
5
|
12
|
12
|
2
|
4
|
6
|
9
|
6
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4166 |
26 |
| Canon Kabushiki Kaisha | 7046 |
8 |
| Merck Patent GmbH | 5850 |
7 |
| BASF SE | 20803 |
6 |
| National University Corporation Nagoya University | 862 |
6 |
| Canon Inc. | 39538 |
5 |
| LG Chem, Ltd. | 17564 |
4 |
| JNC Corporation | 1549 |
4 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1769 |
4 |
| The University of Tokyo | 4153 |
3 |
| BASF (China) Co., Ltd. | 832 |
3 |
| FUJIFILM Corporation | 29251 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 31022 |
2 |
| Kwansei Gakuin Educational Foundation | 217 |
2 |
| SFC Co., Ltd. | 320 |
2 |
| Tosoh Corporation | 1270 |
2 |
| Iterion Therapeutics, Inc. | 23 |
2 |
| National University Corporation Tokai National Higher Education and Research System | 704 |
2 |
| Samsung Electronics Co., Ltd. | 144426 |
1 |
| LG Display Co., Ltd. | 13226 |
1 |
| Other owners | 57 |