- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 295/22 - Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with hetero atoms directly attached to ring nitrogen atoms
Patent holdings for IPC class C07D 295/22
Total number of patents in this class: 65
10-year publication summary
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1
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2
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1
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1
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2
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Tanabe Pharma Corporation | 577 |
6 |
| Takeda Pharmaceutical Company Limited | 2945 |
5 |
| Shionogi & Co., Ltd. | 886 |
5 |
| Kalypsys, Inc. | 69 |
4 |
| Amgen Inc. | 3902 |
2 |
| FUJIFILM Corporation | 28829 |
2 |
| Arrow Therapeutics Limited | 14 |
2 |
| Astellas Pharma Inc. | 1126 |
2 |
| The University of Manchester | 454 |
2 |
| Wyeth | 492 |
2 |
| Merck Sharp & Dohme LLC | 3752 |
2 |
| Bristol-myers Squibb Company | 4865 |
1 |
| F. Hoffmann-La Roche AG | 7951 |
1 |
| AstraZeneca AB | 2968 |
1 |
| AstraZeneca UK Limited | 699 |
1 |
| Boehringer Ingelheim International GmbH | 4750 |
1 |
| Boehringer Ingelheim Pharma GmbH & Co. Kg | 650 |
1 |
| Janssen Pharmaceutica N.V. | 3611 |
1 |
| Sumitomo Chemical Company, Limited | 8987 |
1 |
| Arete Therapeutics, Inc. | 23 |
1 |
| Other owners | 22 |