- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 233/91 - Nitro radicals
Patent holdings for IPC class C07D 233/91
Total number of patents in this class: 67
10-year publication summary
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3
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4
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5
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6
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1
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0
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1
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2
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6
|
3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| POLA Pharma Inc. | 77 |
9 |
| Nihon Medi-physics Co., Ltd. | 180 |
4 |
| National University Corporation Hokkaido University | 1340 |
3 |
| Out and Out Chemistry SPRL | 17 |
3 |
| Stichting Maastricht Radiation Oncology "maastro-clinic" | 17 |
3 |
| Beijing Double-Crane Runchuang Technology Co., Ltd. | 8 |
3 |
| Auckland UniServices Limited | 496 |
2 |
| Shenzhen HighTide Biopharmaceutical, Ltd. | 56 |
2 |
| University of Tsukuba | 610 |
2 |
| Rivus Pharmaceuticals, Inc. | 14 |
2 |
| The Regents of the University of California | 19839 |
1 |
| Murata Manufacturing Co., Ltd. | 24369 |
1 |
| The Johns Hopkins University | 5642 |
1 |
| Agency for Defense Development | 431 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 2587 |
1 |
| Asahi Kasei Chemicals Corporation | 684 |
1 |
| The Asan Foundation | 568 |
1 |
| Beijing Normal University | 92 |
1 |
| Chemo Research, S.L. | 100 |
1 |
| Dynamit Nobel GmbH Explosivstoff-und Systemtechnik | 13 |
1 |
| Other owners | 24 |