C07D 421/14
Containing three or more hetero rings
Official title: containing three or more hetero rings
C07D421/14 (Containing three or more hetero rings) appears on 52 US grants and 79 published applications in this corpus.
Search patents in C07D- Granted patents
- 52
- Published applications
- 79
- Assignees
- 50
- Inventors
- 255
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 4 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 2 | 3 |
| 2012 | 1 | 1 |
| 2013 | 3 | 5 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 2 | 2 |
| 2017 | 3 | 6 |
| 2018 | 3 | 2 |
| 2019 | 4 | 6 |
| 2020 | 3 | 5 |
| 2021 | 3 | 3 |
| 2022 | 4 | 4 |
| 2023 | 3 | 7 |
| 2024 | 1 | 5 |
| 2025 | 2 | 10 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ras inhibitors12 May 2026US 12,624,053 B2Revolution Medicines, Inc.
- Organic compound, light absorption sensor, sensor-embedded display panel, and electronic device24 Feb 2026US 12,559,498 B2Samsung Display Co., Ltd.
- Materials for organic electroluminescent devices13 Jan 2026US 12,522,591 B2Merck Patent GmbH
- Sensor-embedded display panel and electronic device10 Jun 2025US 12,329,022 B2Samsung Electronics Co., Ltd.
- Bispyranilidenes, dithiobispyranilidenes and diselenobispyranilidene and use thereof11 Feb 2025US 12,221,437 B2Senorics GmbH
- Ras inhibitors12 Mar 2026US 2026/0070930 A1Revolution Medicines, Inc.
- Use of hpk1 inhibitor in prevention and/or treatment of human pathogen infection25 Dec 2025US 2025/0388572 A1Zhuhai Yufan Biotechnologies Co., Ltd.
- Ras inhibitors25 Dec 2025US 2025/0388608 A1Revolution Medicines, Inc.
- Photoelectric conversion element, imaging element, and optical sensor25 Dec 2025US 2025/0393473 A1FUJIFILM Corporation
- Photoelectric conversion element, imaging element, optical sensor, and compound4 Dec 2025US 2025/0374741 A1FUJIFILM Corporation
Most cited
By later US patents
- Selenophene anti-tumor agents19US 6,620,804 B2Purdue Research Foundation · 2003
- Compound and organic photoelectric device, image sensor and electronic device including the same18US 10,326,083 B2Samsung Electronics Co., Ltd. · 2019
- Compound and photoelectric device, image sensor and electronic device including the same15US 10,461,256 B2Samsung Electronics Co., Ltd. · 2019
- Dye-sensitized photoelectric conversion device11US 8,022,294 B2Nippon Kayaku Kabushiki Kaisha · 2011
- Bichalcophenes and their prodrugs as antiprotozoal agents10US 7,517,893 B2Georgia State University Research Foundation, Inc. · 2009