G01N 27/44721
By optical means
Official title: {by optical means}
G01N27/44721 (By optical means) appears on 1,261 US grants and 1,096 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,261
- Published applications
- 1,096
- Assignees
- 525
- Inventors
- 2,380
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 10 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 14 | 0 |
| 1988 | 5 | 0 |
| 1989 | 14 | 0 |
| 1990 | 15 | 0 |
| 1991 | 23 | 0 |
| 1992 | 33 | 0 |
| 1993 | 31 | 0 |
| 1994 | 33 | 0 |
| 1995 | 21 | 0 |
| 1996 | 38 | 0 |
| 1997 | 36 | 0 |
| 1998 | 34 | 0 |
| 1999 | 47 | 0 |
| 2000 | 47 | 0 |
| 2001 | 34 | 9 |
| 2002 | 40 | 66 |
| 2003 | 50 | 59 |
| 2004 | 35 | 64 |
| 2005 | 32 | 66 |
| 2006 | 35 | 31 |
| 2007 | 29 | 25 |
| 2008 | 19 | 31 |
| 2009 | 26 | 33 |
| 2010 | 20 | 47 |
| 2011 | 25 | 34 |
| 2012 | 26 | 34 |
| 2013 | 32 | 34 |
| 2014 | 31 | 52 |
| 2015 | 27 | 48 |
| 2016 | 30 | 39 |
| 2017 | 31 | 64 |
| 2018 | 32 | 44 |
| 2019 | 42 | 39 |
| 2020 | 45 | 46 |
| 2021 | 35 | 30 |
| 2022 | 25 | 46 |
| 2023 | 29 | 41 |
| 2024 | 30 | 43 |
| 2025 | 35 | 45 |
| 2026 | 21 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser illumination techniques for capillary electrophoresis29 Sep 2026US 12,748,072 B2Promega Corporation
- Using electrophoresis for disease detection based on controlled molecular charge15 Sep 2026US 12,736,500 B2Hemex Health, Inc.
- Unitary biochip providing sample-in to results-out processing and methods of manufacture1 Sep 2026US 12,722,157 B2ANDE Corporation
- Analyte sequencing with nanopores21 Jul 2026US 12,687,517 B2University of Washington
- Capillary-array-electrophoresis device30 Jun 2026US 12,669,468 B2Hitachi High-Tech Corporation
- Sample analysis device and method for controlling same1 Oct 2026US 2026/0298869 A1Genemind Biosciences Company Limited
- Analysis method for chelate24 Sep 2026US 2026/0287547 A1Korea Atomic Energy Research Institute
- Capillary-array-electrophoresis device24 Sep 2026US 2026/0287548 A1Hitachi High-Tech Corporation
- Paper based microchip electrophoresis for molecular diagnostic tests17 Sep 2026US 2026/0276584 A1University of Houston System
- Electrophoresis device10 Sep 2026US 2026/0266760 A1Hitachi High-Tech Corporation
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
- Fully integrated miniaturized planar liquid sample handling and analysis device556US 5,571,410 AHewlett-Packard Company · 1996
- Laser excited confocal microscope fluorescence scanner and method491US 5,091,652 AThe Regents of the University of California · 1992
- Capillary assays involving separation of free and bound species454US 6,103,537 AAclara Biosciences, Inc. · 2000
- High-speed fluorescence scanner384US 5,459,325 AMolecular Dynamics, Inc. · 1995