- 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: 246
10-year publication summary
|
17
|
22
|
24
|
15
|
16
|
14
|
16
|
24
|
20
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Givaudan SA | 1959 |
24 |
| Idemitsu Kosan Co., Ltd. | 4213 |
15 |
| LG Chem, Ltd. | 17883 |
13 |
| BASF SE | 21165 |
12 |
| Firmenich SA | 1737 |
9 |
| Sumitomo Dainippon Pharma Co., Ltd. | 211 |
8 |
| FUJIFILM Corporation | 30327 |
5 |
| Chugai Seiyaku Kabushiki Kaisha | 1405 |
5 |
| Sumitomo Dainippon Pharma Oncology, Inc. | 18 |
5 |
| Sumitomo Pharma Co., Ltd. | 550 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 11705 |
4 |
| Kao Corporation | 5056 |
4 |
| National Taiwan University | 1313 |
4 |
| Japan Science and Technology Agency | 1221 |
4 |
| Zhoushan Haizhongzhou Xinsheng Pharmaceuticals Co., Ltd. | 4 |
4 |
| Samsung Display Co., Ltd. | 38092 |
3 |
| Samsung SDI Co., Ltd. | 10194 |
3 |
| Academia Sinica | 954 |
3 |
| Boston Biomedical, Inc. | 35 |
3 |
| Taheebo Japan Co., Ltd. | 3 |
3 |
| Other owners | 110 |