- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 517/20 - Spiro-condensed systems
Patent holdings for IPC class C07D 517/20
Total number of patents in this class: 6
10-year publication summary
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The University of Sydney | 610 |
2 |
| Samsung Electronics Co., Ltd. | 149198 |
1 |
| SFC Co., Ltd. | 324 |
1 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5377 |
1 |
| Guangzhou Guangda Innovation Technology Co., Ltd. | 2 |
1 |
| Other owners | 0 |