A61K 31/4412
Having oxo groups directly attached to the heterocyclic ring
Official title: having oxo groups directly attached to the heterocyclic ring
A61K31/4412 (Having oxo groups directly attached to the heterocyclic ring) appears on 648 US grants and 1,264 published applications in this corpus.
Search patents in A61K- Granted patents
- 648
- Published applications
- 1,264
- Assignees
- 590
- Inventors
- 2,560
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 2 |
| 2002 | 7 | 14 |
| 2003 | 5 | 14 |
| 2004 | 7 | 19 |
| 2005 | 8 | 16 |
| 2006 | 13 | 33 |
| 2007 | 4 | 19 |
| 2008 | 3 | 26 |
| 2009 | 4 | 36 |
| 2010 | 11 | 36 |
| 2011 | 17 | 54 |
| 2012 | 22 | 62 |
| 2013 | 31 | 51 |
| 2014 | 43 | 80 |
| 2015 | 40 | 74 |
| 2016 | 45 | 74 |
| 2017 | 47 | 69 |
| 2018 | 44 | 78 |
| 2019 | 45 | 83 |
| 2020 | 44 | 80 |
| 2021 | 45 | 71 |
| 2022 | 36 | 58 |
| 2023 | 34 | 48 |
| 2024 | 34 | 85 |
| 2025 | 21 | 51 |
| 2026 | 12 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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