- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 321/12 - Eight-membered rings
Patent holdings for IPC class C07D 321/12
Total number of patents in this class: 41
10-year publication summary
|
6
|
4
|
3
|
3
|
1
|
7
|
1
|
1
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United Therapeutics Corporation | 306 |
5 |
| Sumitomo Chemical Company, Limited | 9046 |
4 |
| JSR Corporation | 2517 |
3 |
| Techfields Pharma Co., Ltd. | 30 |
3 |
| Massachusetts Institute of Technology | 10057 |
2 |
| Kuraray Co., Ltd. | 3501 |
2 |
| SynAffix B.V. | 107 |
2 |
| Universal Display Corporation | 1909 |
2 |
| National Technology & Engineering Solutions of Sandia, LLC | 1899 |
2 |
| Murata Manufacturing Co., Ltd. | 24526 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5658 |
1 |
| The General Hospital Corporation | 4733 |
1 |
| Takeda Pharmaceutical Company Limited | 2713 |
1 |
| Cornell University | 3306 |
1 |
| Georgetown University | 611 |
1 |
| Gfbiochemicals Limited | 49 |
1 |
| Gottfried Wilhelm Leibniz Universität Hannover | 152 |
1 |
| The Hong Kong University of Science and Technology | 750 |
1 |
| Medizinische Hochschule Hannover | 282 |
1 |
| Symrise GmbH & Co. KG | 66 |
1 |
| Other owners | 5 |