H01S 5/0028
Laser diodes used as detectors
Official title: {Laser diodes used as detectors}
H01S5/0028 (Laser diodes used as detectors) appears on 123 US grants and 118 published applications in this corpus.
Search patents in H01S- Granted patents
- 123
- Published applications
- 118
- Assignees
- 81
- Inventors
- 307
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 4 |
| 2006 | 2 | 2 |
| 2007 | 4 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 1 | 4 |
| 2012 | 0 | 1 |
| 2013 | 3 | 4 |
| 2014 | 2 | 5 |
| 2015 | 2 | 3 |
| 2016 | 4 | 3 |
| 2017 | 2 | 4 |
| 2018 | 4 | 8 |
| 2019 | 6 | 6 |
| 2020 | 6 | 8 |
| 2021 | 10 | 21 |
| 2022 | 3 | 7 |
| 2023 | 15 | 12 |
| 2024 | 5 | 5 |
| 2025 | 9 | 11 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Laser sensor and method of manufacturing a laser sensor26 May 2026US 12,640,541 B2ams International AG
- Apparatus for monitoring fluid27 Jan 2026US 12,535,428 B2Electronics and Telecommunications Research Institute
- Optoelectronic semiconductor device and glasses23 Dec 2025US 12,506,319 B2OSRAM Opto Semiconductors GmbH
- Self-mixing interference device with tunable microelectromechanical system9 Sep 2025US 12,413,043 B2Apple Inc.
- Method for monitoring the transition temperature and optoelectronic device18 Jun 2026US 2026/0171753 A1ams-OSRAM International GmbH
- Self-mixing interferometry sensor module for multilayer target detection, electronic device and method of multilayer target detection23 Oct 2025US 2025/0327654 A1ams International AG
- Laser cavity systems for various sensing configurations28 Aug 2025US 2025/0273923 A1Deuve Photonics, Inc.
- Self-mixing interference based sensors for characterizing touch input24 Jul 2025US 2025/0237492 A1Apple Inc.
- Coherent LIDAR using Semiconductor Optical Amplifiers24 Jul 2025US 2025/0237745 A1
Most cited
By later US patents
- Semiconductor optical device with nanowhiskers126US 5,332,910 AHitachi, Ltd. · 1994
- Polarization-dependent and polarization-diversified opto-electronic devices using a strained quantum well80US 5,117,469 ABell Communications Research, Inc. · 1992
- Optoelectronic quantum well device having an optical resonant cavity and sustaining inter subband transitions67US 5,818,066 AThomson-CSF · 1998
- Vertical cavity surface emitting laser and sensor53US 5,331,658 AMotorola, Inc. · 1994
- Optical memory playback apparatus47US 4,460,977 AAgency of Industrial Science and Technology · 1984