G01N 27/44773
Multi-stage electrophoresis
Official title: {Multi-stage electrophoresis, e.g. two-dimensional electrophoresis}
G01N27/44773 (Multi-stage electrophoresis) appears on 368 US grants and 312 published applications in this corpus.
Search patents in G01N- Granted patents
- 368
- Published applications
- 312
- Assignees
- 241
- Inventors
- 819
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 19 | 0 |
| 1993 | 5 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 13 | 0 |
| 2001 | 15 | 8 |
| 2002 | 13 | 30 |
| 2003 | 11 | 28 |
| 2004 | 23 | 36 |
| 2005 | 19 | 27 |
| 2006 | 15 | 18 |
| 2007 | 8 | 15 |
| 2008 | 6 | 11 |
| 2009 | 9 | 9 |
| 2010 | 13 | 13 |
| 2011 | 8 | 10 |
| 2012 | 10 | 7 |
| 2013 | 8 | 9 |
| 2014 | 5 | 7 |
| 2015 | 6 | 10 |
| 2016 | 8 | 11 |
| 2017 | 9 | 13 |
| 2018 | 5 | 7 |
| 2019 | 11 | 8 |
| 2020 | 7 | 11 |
| 2021 | 5 | 6 |
| 2022 | 7 | 6 |
| 2023 | 5 | 5 |
| 2024 | 2 | 4 |
| 2025 | 3 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrophoresis tank with splicing function and electrophoresis device15 Sep 2026US 12,736,501 B2Shanghai Tanon Life Science Co.,Ltd
- Device for volume coupling in epitachophoresis7 Apr 2026US 12,596,098 B2Roche Sequencing Solutions, Inc.
- Electrophoresis apparatus and method13 Jan 2026US 12,523,632 B2Shimadzu Corporation
- Display process method and data analysis apparatus1 Jul 2025US 12,345,681 B2Shimadzu Corporation
- Devices, methods and kits for sample characterization10 Jun 2025US 12,326,455 B2Intabio, Inc.
- Information processing system, identification system, and storage medium17 Sep 2026US 2026/0276585 A1aiwell Inc.
- Electrophoresis tank with splicing function and electrophoresis device31 Jul 2025US 2025/0244287 A1Shanghai Tanon Life Science Co.,Ltd
- Serial electrophoresis20 Feb 2025US 2025/0060332 A1IntegenX Inc.
- Allergy antigen and epitope thereof28 Nov 2024US 2024/0393292 A1Hoyu Co., Ltd.
- Device for volume coupling in epitachophoresis20 Jun 2024US 2024/0201133 A1Roche Sequencing Solutions, Inc.
Most cited
By later US patents
- Silicon semiconductor wafer for analyzing micronic biological samples904US 4,908,112 AE. I. Du Pont de Nemours and Company · 1990
- Method and device for moving molecules by the application of a plurality of electrical fields698US 5,126,022 ASoane Tecnologies, Inc. · 1992
- Fully integrated miniaturized planar liquid sample handling and analysis device556US 5,571,410 AHewlett-Packard Company · 1996
- Method and device for moving molecules by the application of a plurality of electrical fields518US 5,750,015 ASoane Biosciences, Inc. · 1998
- Variable control of electroosmotic and/or electrophoretic forces within a fluid-containing structure via electrical forces506US 5,800,690 ACaliper Technologies Corp. · 1998