- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 307/92 - NaphthofuransHydrogenated naphthofurans
Patent holdings for IPC class C07D 307/92
Total number of patents in this class: 229
10-year publication summary
19
|
17
|
22
|
24
|
15
|
16
|
14
|
16
|
24
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Givaudan SA | 1820 |
24 |
Idemitsu Kosan Co., Ltd. | 4109 |
14 |
BASF SE | 20421 |
11 |
Firmenich SA | 1669 |
9 |
Sumitomo Dainippon Pharma Co., Ltd. | 219 |
8 |
LG Chem, Ltd. | 17643 |
7 |
FUJIFILM Corporation | 28829 |
5 |
Chugai Seiyaku Kabushiki Kaisha | 1319 |
5 |
Sumitomo Dainippon Pharma Oncology, Inc. | 18 |
5 |
Sumitomo Pharma Co., Ltd. | 635 |
5 |
Kao Corporation | 4919 |
4 |
National Taiwan University | 1172 |
4 |
Japan Science and Technology Agency | 1416 |
4 |
Taheebo Japan Co., Ltd. | 4 |
4 |
Xspire Pharma, LLC | 19 |
4 |
Zhoushan Haizhongzhou Xinsheng Pharmaceuticals Co., Ltd. | 4 |
4 |
Semiconductor Energy Laboratory Co., Ltd. | 11114 |
3 |
Academia Sinica | 918 |
3 |
Boston Biomedical, Inc. | 37 |
3 |
Samsung Display Co., Ltd. | 32868 |
2 |
Other owners | 101 |