- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 497/20 - Spiro-condensed systems
Patent holdings for IPC class C07D 497/20
Total number of patents in this class: 6
10-year publication summary
|
1
|
1
|
0
|
1
|
0
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0
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1
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1
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1
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JSR Corporation | 2554 |
1 |
| OPKO Health, Inc. | 44 |
1 |
| Tokuyama Corporation | 1477 |
1 |
| Ube Industries, Ltd. | 770 |
1 |
| Merck Sharp & Dohme LLC | 3734 |
1 |
| Kalintis Healthcare Private Limited | 1 |
1 |
| Other owners | 0 |