C12N 2770/32411
Hepatovirus, i.e. hepatitis a virus
Official title: Hepatovirus, i.e. hepatitis A virus
C12N2770/32411 (Hepatovirus, i.e. hepatitis a virus) appears on 129 US grants and 76 published applications in this corpus.
Search patents in C12N- Granted patents
- 129
- Published applications
- 76
- Assignees
- 81
- Inventors
- 300
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 14 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 3 |
| 2003 | 4 | 13 |
| 2004 | 4 | 5 |
| 2005 | 6 | 6 |
| 2006 | 2 | 3 |
| 2007 | 3 | 3 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 3 |
| 2011 | 2 | 2 |
| 2012 | 0 | 3 |
| 2013 | 1 | 1 |
| 2014 | 3 | 5 |
| 2015 | 2 | 2 |
| 2016 | 4 | 4 |
| 2017 | 3 | 2 |
| 2018 | 5 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 4 |
| 2021 | 1 | 2 |
| 2022 | 3 | 4 |
| 2023 | 3 | 3 |
| 2024 | 1 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C12N 2770/32434Use of virus or viral component as vaccineIndexing code87
- C12N 2770/32422New viral proteins or individual genes, new structural or functional aspects ofIndexing code39
- C12N 2770/32451Methods of production or purification of viral materialIndexing code39
- C12N 2770/32461Methods of inactivation or attenuationIndexing code24
- C12N 2770/32421Viruses as suchIndexing code10
- C12N 2770/32432Use of virus as therapeutic agent, other than vaccineIndexing code5
- C12N 2770/32423Virus like particles [vlp]Indexing code1
- C12N 2770/32441Use of virus, viral particle or viral elements as a vectorIndexing code1
Recent patents
- Hepatitis A virus preparation method and hepatitis A virus prepared according to method24 Feb 2026US 12,558,417 B2SK Bioscience Co., Ltd.
- Methods for preventing dengue and hepatitis a21 Jan 2025US 12,201,683 B2Takeda Vaccines, Inc.
- Identifying patient populations vulnerable to viral infection and methods of inducing heterologous immunity in same26 Mar 2024US 11,938,181 B2nference, Inc.
- Neisseria meningitidis compositions and methods thereof22 Aug 2023US 11,730,800 B2Pfizer Inc.
- Engineered cells with decreased gene expression resulting in increased viral production23 May 2023US 11,655,471 B2University of Georgia Research Foundation, Inc.
- Method of culturing wild-type hepatitis a virus using induced differentiated pluripotent stem cells derived hepatocytes15 Jan 2026US 2026/0015591 A1Chung Ang University Industry Academic Cooperation Foundation
- Methods for preventing dengue and hepatitis a25 Sep 2025US 2025/0295761 A1Takeda Vaccines, Inc.
- Hepatitis a virus preparation method and hepatitis a virus prepared according to method29 May 2025US 2025/0170234 A1SK Bioscience Co., Ltd.
- Continuous flow, high throughput apparatus and method for inactivating viruses and pathogens in human plasma24 Oct 2024US 2024/0350691 A1Aphios Corporation
- Identifying patient populations vulnerable to viral infection and methods of inducing heterologous immunity in same6 Jun 2024US 2024/0181043 A1nference, Inc.
Most cited
By later US patents
- Multiple pharmaceutical dispenser with accumulator207US 5,298,023 AHabley Medical Technology Corporation · 1994
- Multiple pharmaceutical syringe139US 5,199,949 AHabley Medical Technology Corporation · 1993
- Adjuvant systems and vaccines92US 7,357,936 B1SmithKline Beecham Biologicals s.a. · 2008
- Recombianant Hepatitis a virus59US 5,294,548 AAmerican Biogenetic Sciences, Inc. · 1994
- Process for making novel blood clotting enzyme compositions43US 4,495,278 ABaxter Travenol Laboratories, Inc. · 1985