C07K 14/815
From leeches
Official title: from leeches, e.g. hirudin, eglin
C07K14/815 (From leeches) appears on 181 US grants and 73 published applications in this corpus.
Search patents in C07K- Granted patents
- 181
- Published applications
- 73
- Assignees
- 113
- Inventors
- 417
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 9 | 0 |
| 1993 | 17 | 0 |
| 1994 | 10 | 0 |
| 1995 | 19 | 0 |
| 1996 | 12 | 0 |
| 1997 | 19 | 0 |
| 1998 | 16 | 0 |
| 1999 | 15 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 5 |
| 2003 | 1 | 6 |
| 2004 | 3 | 2 |
| 2005 | 0 | 6 |
| 2006 | 3 | 3 |
| 2007 | 1 | 3 |
| 2008 | 3 | 4 |
| 2009 | 4 | 3 |
| 2010 | 1 | 9 |
| 2011 | 1 | 4 |
| 2012 | 5 | 3 |
| 2013 | 3 | 6 |
| 2014 | 1 | 2 |
| 2015 | 0 | 5 |
| 2016 | 4 | 3 |
| 2017 | 1 | 3 |
| 2018 | 2 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for extraction and purification of hirudin mutant and use thereof11 Nov 2025US 12,466,852 B2Sungen Bioscience Co., Ltd.
- Solid phase peptide synthesis via side chain attachment22 Jan 2019US 10,183,966 B2Chemical & Biopharmaceutical Laboratories of Patras S.A.
- Solid phase peptide synthesis13 Nov 2018US 10,125,163 B2CEM Corporation
- Method for solid phase peptide synthesis8 May 2018US RE46,830 E1Polypeptide Laboratories Holding (PPL) AB
- Method for producing protein by precipitation11 Apr 2017US 9,617,299 B2Ajinomoto Co., Inc.
- Bivalirudin compounds12 Jun 2025US 2025/0186538 A1The General Hospital Corporation
- Antigen-binding fragments and uses thereof28 Dec 2023US 2023/0414779 A1NewSouth Innovations Pty Limited
- Improved thrombin inhibitors for treatment of thromboembolic conditions28 Dec 2023US 2023/0416341 A1The Heart Research Institute Ltd.
- Method for extraction and purification of hirudin mutant and use thereof14 Oct 2021US 2021/0317162 A1Sungen Bioscience Co., Ltd.
- Haemadipsa sylvestris antithrombotic peptide sylvestin and use thereof19 Sep 2019US 2019/0284258 A1Kunming Institute of Zoology, Chinese Academy of Sciences
Most cited
By later US patents
- Thrombin inhibitors based on the amino acid sequence of hirudin360US 6,060,451 ANational Research Council of Canada · 2000
- Compositions and methods for the delivery of drugs by platelets for the treatment of cardiovascular and other diseases229US 5,759,542 ANew England Deaconess Hospital Corporation · 1998
- Oil-body proteins as carriers of high-value peptides in plants136US 5,650,554 ASemBioSys Genetics Inc. · 1997
- Preparation of heterologous proteins on oil bodies101US 5,948,682 ASemBioSys Genetics Inc. · 1999
- Preparation of heterologous proteins on oil bodies92US 6,753,167 B2SemBioSys Genetics Inc. · 2004