G01N 21/59
Transmissivity
Official title: Transmissivity (G01N21/25 takes precedence)
G01N21/59 (Transmissivity) appears on 1,883 US grants and 1,972 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,883
- Published applications
- 1,972
- Assignees
- 1,275
- Inventors
- 4,729
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 13 | 0 |
| 1986 | 13 | 0 |
| 1987 | 27 | 0 |
| 1988 | 17 | 0 |
| 1989 | 21 | 0 |
| 1990 | 26 | 0 |
| 1991 | 21 | 0 |
| 1992 | 23 | 0 |
| 1993 | 23 | 0 |
| 1994 | 20 | 0 |
| 1995 | 17 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 22 | 0 |
| 1999 | 10 | 0 |
| 2000 | 22 | 0 |
| 2001 | 19 | 4 |
| 2002 | 15 | 25 |
| 2003 | 18 | 37 |
| 2004 | 21 | 33 |
| 2005 | 22 | 39 |
| 2006 | 27 | 30 |
| 2007 | 28 | 35 |
| 2008 | 26 | 46 |
| 2009 | 27 | 36 |
| 2010 | 29 | 49 |
| 2011 | 28 | 49 |
| 2012 | 22 | 52 |
| 2013 | 49 | 108 |
| 2014 | 72 | 139 |
| 2015 | 98 | 166 |
| 2016 | 101 | 139 |
| 2017 | 122 | 130 |
| 2018 | 112 | 127 |
| 2019 | 114 | 108 |
| 2020 | 113 | 120 |
| 2021 | 89 | 129 |
| 2022 | 93 | 106 |
| 2023 | 93 | 84 |
| 2024 | 74 | 68 |
| 2025 | 72 | 62 |
| 2026 | 39 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mid-infrared waveguide sensors for volatile organic compounds29 Sep 2026US 12,748,050 B2The Texas A&M University System
- Fiber optic sensing apparatus and system29 Sep 2026US 12,748,257 B2Jinan University
- Method for evaluating resist polymer25 Aug 2026US 12,716,841 B2Maruzen Petrochemical Co., Ltd.
- Systems and methods for blockage detection in gas detectors18 Aug 2026US 12,710,348 B2Detector Electronics Buyer US, LLC
- Apparatus and method for analyzing a bodily sample11 Aug 2026US 12,702,978 B2S. D. Sight Diagnostics Ltd.
- Cartridge providing real-time colorimetric detection and/or turbidimetric detection of microorganisms via image capture on a mobile device8 Oct 2026US 2026/0309632 A1Seethru Diagnostics, LLC
- Optical density measuring apparatus1 Oct 2026US 2026/0298822 A1Asahi Kasei Microdevices Corporation
- Method of using turbidity measurements to detect wash additives in a washing machine appliance24 Sep 2026US 2026/0286591 A1Haier US Appliance Solutions, Inc.
- Detection device24 Sep 2026US 2026/0287507 A1Japan Display Inc.
- A method for optical, label-free detection of molecules at ultra-low concentration, particularly as low as zeptomolar concentration24 Sep 2026US 2026/0287585 A1Universita' Degli Studi Di Bari Aldo Moro
Most cited
By later US patents
- Systems and methods for in vitro and in vivo imaging of cells on a substrate841US 9,274,095 B2Doheny Eye Institute · 2016
- Methods and devices for detecting intensity of light with translucent detector471US 10,750,984 B2Cercacor Laboratories, Inc. · 2020
- Optical biosensor system268US 5,313,264 APharmacia Biosensor AB · 1994
- Optical stress generator and detector238US 5,748,318 ABrown University Research Foundation · 1998
- Solid-state spectrometer230US 11,692,934 B2Masimo Corporation · 2023