G01N 2021/399
Diode laser
Official title: {Diode laser}
G01N2021/399 (Diode laser) appears on 532 US grants and 624 published applications in this corpus.
Search patents in G01N- Granted patents
- 532
- Published applications
- 624
- Assignees
- 303
- Inventors
- 1,092
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 5 |
| 2004 | 3 | 6 |
| 2005 | 4 | 8 |
| 2006 | 5 | 13 |
| 2007 | 10 | 15 |
| 2008 | 10 | 23 |
| 2009 | 12 | 10 |
| 2010 | 13 | 17 |
| 2011 | 12 | 23 |
| 2012 | 15 | 26 |
| 2013 | 17 | 16 |
| 2014 | 19 | 20 |
| 2015 | 17 | 38 |
| 2016 | 27 | 40 |
| 2017 | 39 | 36 |
| 2018 | 42 | 52 |
| 2019 | 42 | 39 |
| 2020 | 43 | 52 |
| 2021 | 36 | 34 |
| 2022 | 24 | 25 |
| 2023 | 27 | 31 |
| 2024 | 24 | 39 |
| 2025 | 42 | 37 |
| 2026 | 17 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Time-of-flight measurement on user with cameras and position sensor6 Oct 2026US 12,751,628 B2Omni Medsci, Inc.
- Remote sensing system with time-of-flight sensor, active illuminator and light sensing system1 Sep 2026US 12,721,527 B2Omni Medsci, Inc.
- Laser gas analyzer4 Aug 2026US 12,699,046 B2Yokogawa Electric Corporation
- Measuring device for absorption-spectroscopic gas measurement, use of spinel, polycrystalline aluminum oxide or aluminum oxynitride and method for absorption-spectroscopic gas measurement28 Jul 2026US 12,693,212 B2M & C TechGroup Germany GmbH
- Method and system for water cut sensing in an oil-water flow16 Jun 2026US 12,655,759 B2King Abdullah University of Science and Technology
- Laser-based remote gas sensing via optical fiber beam delivery24 Sep 2026US 2026/0287505 A1California Institute of Technology
- Gas sensing surveillance system17 Sep 2026US 2026/0276539 A1Beamonics AB
- Analysis device, program for analysis device, and analysis method27 Aug 2026US 2026/0251560 A1Horiba, Ltd.
- Systems and methods for characterizing atmospheric emissions20 Aug 2026US 2026/0243675 A1The Regents of the University of Colorado, a body corporate
- Sensing system for gas turbine power plant exhaust30 Jul 2026US 2026/0219179 A1Mitsubishi Power Americas, Inc.
Most cited
By later US patents
- Implantable sensor and system for in vivo measurement and control of fluid constituent levels1,362US 6,049,727 AAnimas Corporation · 2000
- Laser diode/lens assembly146US 5,615,052 A1997
- Diagnostic tests using near-infrared laser absorption spectroscopy137US 5,317,156 ASRI International · 1994
- Method and equipment for measuring absorptance of light scattering materials using plural wavelengths of light107US 5,239,185 AHitachi, Ltd. · 1993
- Method and apparatus for in situ gas concentration measurement91US 6,064,488 AMonitor Labs, Inc. · 2000