- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 13/64 - Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with more than three condensed rings with a bridged ring system
Patent holdings for IPC class C07C 13/64
Total number of patents in this class: 46
10-year publication summary
|
7
|
2
|
4
|
0
|
4
|
0
|
0
|
1
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4077 |
4 |
| Merck Patent GmbH | 5824 |
3 |
| Kyoto University | 2809 |
3 |
| Nano-C, Inc. | 72 |
3 |
| The Regents of the University of California | 20059 |
2 |
| Showa Denko K.K. | 2204 |
2 |
| JX Nippon Oil & Energy Corporation | 999 |
2 |
| Sumitomo Bakelite Co., Ltd. | 1507 |
2 |
| Total SA | 494 |
2 |
| The University of Tokyo | 4200 |
2 |
| Resonac Corporation | 2886 |
2 |
| LG Chem, Ltd. | 17644 |
1 |
| Canon Inc. | 40352 |
1 |
| Sumitomo Chemical Company, Limited | 9047 |
1 |
| The Board of Trustees of the University of Illinois | 2713 |
1 |
| JSR Corporation | 2525 |
1 |
| University of Florida Research Foundation, Inc. | 4048 |
1 |
| Japan Science and Technology Agency | 1300 |
1 |
| Bigtec Private Limited | 31 |
1 |
| Indian Institute of Technology Mumbai | 1 |
1 |
| Other owners | 10 |