- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 499/04 - Preparation
Patent holdings for IPC class C07D 499/04
Total number of patents in this class: 8
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otsuka Chemical Co., Ltd. | 289 |
2 |
| The Board of Trustees of the University of Illinois | 2724 |
1 |
| Beijing Xintianyu Technology Development Co., Ltd. | 6 |
1 |
| National University Corporation Okayama University | 458 |
1 |
| Osaka University | 3377 |
1 |
| Xiangbei Welman Pharmaceutical Co., Ltd. | 34 |
1 |
| FUJIFILM Toyama Chemical Co., Ltd. | 113 |
1 |
| Other owners | 0 |