- 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: 150
10-year publication summary
|
5
|
12
|
12
|
2
|
4
|
7
|
9
|
7
|
4
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4275 |
26 |
| BASF SE | 21320 |
6 |
| National University Corporation Nagoya University | 779 |
6 |
| Canon Kabushiki Kaisha | 7387 |
6 |
| Merck Patent GmbH | 5747 |
5 |
| Canon Inc. | 44285 |
5 |
| JNC Corporation | 1556 |
4 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1866 |
4 |
| LG Chem, Ltd. | 17970 |
3 |
| FUJIFILM Corporation | 30689 |
3 |
| The University of Tokyo | 4390 |
3 |
| BASF (China) Co., Ltd. | 891 |
3 |
| Semiconductor Energy Laboratory Co., Ltd. | 11896 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
2 |
| Kwansei Gakuin Educational Foundation | 226 |
2 |
| SFC Co., Ltd. | 338 |
2 |
| Tosoh Corporation | 1432 |
2 |
| H Quest Vanguard, Inc. | 25 |
2 |
| Iterion Therapeutics, Inc. | 30 |
2 |
| National University Corporation Tokai National Higher Education and Research System | 895 |
2 |
| Other owners | 60 |