G01N 15/075
By optical means
Official title: by optical means
G01N15/075 (By optical means) appears on 1,118 US grants and 1,598 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,118
- Published applications
- 1,598
- Assignees
- 803
- Inventors
- 3,346
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 6 |
| 2003 | 7 | 8 |
| 2004 | 6 | 12 |
| 2005 | 3 | 10 |
| 2006 | 11 | 8 |
| 2007 | 10 | 14 |
| 2008 | 4 | 14 |
| 2009 | 13 | 14 |
| 2010 | 12 | 21 |
| 2011 | 9 | 22 |
| 2012 | 12 | 9 |
| 2013 | 15 | 22 |
| 2014 | 17 | 22 |
| 2015 | 13 | 45 |
| 2016 | 29 | 56 |
| 2017 | 31 | 82 |
| 2018 | 75 | 112 |
| 2019 | 78 | 141 |
| 2020 | 102 | 145 |
| 2021 | 122 | 176 |
| 2022 | 112 | 184 |
| 2023 | 112 | 141 |
| 2024 | 126 | 146 |
| 2025 | 108 | 94 |
| 2026 | 74 | 94 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning system and cleaning method6 Oct 2026US 12,751,590 B2Pixart Imaging Inc.
- Method and system for monitoring liquid-liquid extraction6 Oct 2026US 12,754,120 B2Triad National Security, LLC
- Spectroscopic measurement method6 Oct 2026US 12,754,121 B2Endress+Hauser Optical Analysis, Inc.
- Sensor system and electronic apparatus including the same6 Oct 2026US 12,754,122 B2Samsung Electronics Co., Ltd.
- Fluid inspection apparatus29 Sep 2026US 12,748,031 B2Innovative Heating Solutions Limited
- Method for particle size analysis of bed material sediment and related device8 Oct 2026US 2026/0309609 A1China Three Gorges University
- Soot detection method for mild combustion system of tar-containing biomass gasified gas1 Oct 2026US 2026/0298793 A1Tianjin University
- Illumination line generation by double-duty diffusion1 Oct 2026US 2026/0299175 A1Cognex Corporation
- Pollution Protected Sensor Units24 Sep 2026US 2026/0287477 A1Belimo Holding AG
- Mass concentration determination of particles smaller than 2.5 microns in air24 Sep 2026US 2026/0287490 A1American Ecotech L.C.
Most cited
By later US patents
- Imaging and analyzing parameters of small moving objects such as cells215US 6,249,341 B1Amnis Corporation · 2001
- Imaging and analyzing parameters of small moving objects such as cells194US 6,211,955 B1Amnis Corporation · 2001
- Integrated blood sampling analysis system with multi-use sampling module150US 7,537,571 B2Pelikan Technologies, Inc. · 2009
- DNA sequencing using multiple fluorescent labels being distinguishable by their decay times68US 6,447,724 B1Caliper Technologies Corp. · 2002
- Method and apparatus for quantitative particle determination in fluids45US 6,315,955 B1DeLaval International AB · 2001