G01N 21/1702
With opto-acoustic detection
Official title: {with opto-acoustic detection, e.g. for gases or analysing solids}
G01N21/1702 (With opto-acoustic detection) appears on 956 US grants and 1,104 published applications in this corpus.
Search patents in G01N- Granted patents
- 956
- Published applications
- 1,104
- Assignees
- 508
- Inventors
- 1,952
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 9 | 3 |
| 2002 | 13 | 12 |
| 2003 | 9 | 16 |
| 2004 | 8 | 7 |
| 2005 | 13 | 10 |
| 2006 | 13 | 23 |
| 2007 | 13 | 21 |
| 2008 | 10 | 28 |
| 2009 | 21 | 39 |
| 2010 | 26 | 48 |
| 2011 | 18 | 45 |
| 2012 | 35 | 70 |
| 2013 | 31 | 53 |
| 2014 | 41 | 56 |
| 2015 | 37 | 60 |
| 2016 | 46 | 53 |
| 2017 | 43 | 51 |
| 2018 | 30 | 50 |
| 2019 | 77 | 73 |
| 2020 | 58 | 69 |
| 2021 | 62 | 75 |
| 2022 | 44 | 46 |
| 2023 | 55 | 55 |
| 2024 | 49 | 64 |
| 2025 | 41 | 44 |
| 2026 | 37 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical concentration measuring device and signal processor29 Sep 2026US 12,747,983 B2Asahi Kasei Microdevices Corporation
- Aerosol sensor and an integrated optical component thereof29 Sep 2026US 12,748,055 B2Honeywell International Inc.
- Systems and methods for photoacoustic microscopy8 Sep 2026US 12,730,060 B2Duke University
- Vibration damped sensor device8 Sep 2026US 12,730,061 B2Sensirion Connected Solutions AG
- Gas sensor1 Sep 2026US 12,723,973 B2Aac Acoustic Technologies (Shenzhen) Co., Ltd.
- Microsystem Comprising a Flexurally Movable Beam and Multiple Stops8 Oct 2026US 2026/0309479 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Non-destructive inspection method including inspecting multiple observation sites and method of manufacturing semiconductor memory device using the same1 Oct 2026US 2026/0298804 A1Samsung Electronics Co., Ltd.
- Optical concentration measuring device24 Sep 2026US 2026/0287496 A1Asahi Kasei Microdevices Corporation
- Optical device, system and method for producing photoacoustic images using homogenised beams from pulsed light sources20 Aug 2026US 2026/0243734 A1Consejo Superior De Investigaciones Cientificas (Csic)
- Light-guiding member and gas sensor13 Aug 2026US 2026/0235514 A1Asahi Kasei Microdevices Corporation
Most cited
By later US patents
- Optoacoustic imaging for medical diagnosis364US 5,840,023 A1998
- Optoacoustic monitoring of blood oxygenation288US 6,498,942 B1The University of Texas System · 2002
- System for measuring a biological parameter by means of photoacoustic interaction263US 6,833,540 B2Abbott Laboratories · 2004
- Optical stress generator and detector238US 5,748,318 ABrown University Research Foundation · 1998
- System for measuring a biological parameter by means of photoacoustic interaction229US 6,403,944 B1Abbott Laboratories · 2002