A61K 31/444
Containing a six-membered ring with nitrogen as a ring heteroatom
Official title: containing a six-membered ring with nitrogen as a ring heteroatom, e.g. amrinone
A61K31/444 (Containing a six-membered ring with nitrogen as a ring heteroatom) appears on 2,417 US grants and 4,486 published applications in this corpus.
Search patents in A61K- Granted patents
- 2,417
- Published applications
- 4,486
- Assignees
- 1,577
- Inventors
- 10,824
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 21 | 0 |
| 1999 | 21 | 0 |
| 2000 | 21 | 0 |
| 2001 | 21 | 8 |
| 2002 | 20 | 40 |
| 2003 | 14 | 55 |
| 2004 | 15 | 52 |
| 2005 | 14 | 42 |
| 2006 | 19 | 49 |
| 2007 | 12 | 45 |
| 2008 | 17 | 47 |
| 2009 | 18 | 54 |
| 2010 | 29 | 112 |
| 2011 | 30 | 112 |
| 2012 | 52 | 109 |
| 2013 | 104 | 187 |
| 2014 | 117 | 237 |
| 2015 | 172 | 258 |
| 2016 | 158 | 272 |
| 2017 | 238 | 294 |
| 2018 | 212 | 267 |
| 2019 | 207 | 244 |
| 2020 | 174 | 238 |
| 2021 | 140 | 247 |
| 2022 | 124 | 220 |
| 2023 | 106 | 247 |
| 2024 | 118 | 323 |
| 2025 | 116 | 393 |
| 2026 | 95 | 334 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Therapeutic methods and compositions for treating movement disorders29 Sep 2026US 12,746,231 B2Vima Therapeutics, Inc.
- Interferon gene stimulator composition comprising indolizine derivative as active ingredient29 Sep 2026US 12,746,252 B2Ajou University Industry-Academic Cooperation Foundation
- Short conjugated oligoelectrolytesand antibiotics22 Sep 2026US 12,740,950 B2Nanyang Technological University
- Prolyl hydroxylase domain-containing protein (phd) inhibitors, combinations and uses thereof8 Oct 2026US 2026/0306471 A1Insilico Medicine IP Limited
- Pyridylaminoacetic acid compound and polyoxyethylene castor oil-containing pharmaceutical composition8 Oct 2026US 2026/0306472 A1Santen Pharmaceutical Co., Ltd.
- Mglu2/3 antagonists for the treatment of intellectual disabilities8 Oct 2026US 2026/0306498 A1Hoffmann-La Roche Inc.
- Composition, methods and uses8 Oct 2026US 2026/0306509 A14E Therapeutics, Inc.
- Combination therapy for bacterial infections comprising zinc-chelator, beta-lactam antibiotic and serine beta-lactamase inhibitor8 Oct 2026US 2026/0306526 A1Adjutec Pharma AS
Most cited
By later US patents
- Urologic irrigation solution and method for inhibition of pain, inflammation and spasm152US 5,858,017 AOmeros Medical Systems, Inc. · 1999
- Pyrazole compound and medicinal composition containing the same142US 7,429,609 B2Eisai R&D Management Co., Ltd. · 2008
- Arthroscopic irrigation solution and method for inhibition of pain and inflammation140US 5,860,950 AOmeros Medical Systems, Inc. · 1999
- Local administration of phosphodiesterase inhibitors for the treatment of erectile dysfunction140US 6,037,346 AVivus, Inc. · 2000
- Compositions and methods for the treatment of anorectal disorders126US 6,391,869 B1Cellergy Pharmaceuticals, Inc. · 2002