G02B 19/0052
The light source comprising a laser diode
Official title: {the light source comprising a laser diode (coupling into light guides using intermediate optical elements G02B6/4204; semiconductor lasers having optical devices external to the laser cavity H01S5/005)}
G02B19/0052 (The light source comprising a laser diode) appears on 1,113 US grants and 1,144 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,113
- Published applications
- 1,144
- Assignees
- 548
- Inventors
- 2,029
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 14 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 12 | 0 |
| 1998 | 17 | 0 |
| 1999 | 18 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 7 |
| 2002 | 13 | 22 |
| 2003 | 16 | 53 |
| 2004 | 32 | 35 |
| 2005 | 43 | 38 |
| 2006 | 36 | 50 |
| 2007 | 24 | 51 |
| 2008 | 32 | 45 |
| 2009 | 31 | 37 |
| 2010 | 38 | 29 |
| 2011 | 33 | 42 |
| 2012 | 24 | 35 |
| 2013 | 30 | 33 |
| 2014 | 33 | 26 |
| 2015 | 26 | 30 |
| 2016 | 29 | 39 |
| 2017 | 32 | 51 |
| 2018 | 48 | 48 |
| 2019 | 46 | 82 |
| 2020 | 49 | 73 |
| 2021 | 56 | 59 |
| 2022 | 55 | 81 |
| 2023 | 47 | 48 |
| 2024 | 57 | 50 |
| 2025 | 80 | 63 |
| 2026 | 15 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light-emitting device11 Aug 2026US 12,704,238 B2Nichia Corporation
- Increasing uniformity of illumination of a region of a local area by an illuminator including an array of light sources11 Aug 2026US 12,704,734 B2Meta Platforms Technologies, LLC
- Multiplexed photon emitter and camera configuration for an image acquisition device11 Aug 2026US 12,707,137 B2
- Laser apparatus and control method21 Jul 2026US 12,686,076 B2Osaka University
- Flow cytometer, laser optics assembly thereof, and methods of assembling the same19 May 2026US 12,631,846 B2IDEXX Laboratories, Inc.
- Flow cytometer, laser optics assembly thereof, and methods of assembling the same17 Sep 2026US 2026/0276940 A1IDEXX Laboratories, Inc.
- Line Pattern Projector Incorporating One or More Metasurfaces20 Aug 2026US 2026/0243922 A1Metalenz, Inc.
- Improved light engine30 Jul 2026US 2026/0218882 A1Signify Holding B. V.
- Optical member, illumination device, and image projection device23 Jul 2026US 2026/0211309 A1Koito Manufacturing Co., Ltd.
- Illumination system and projection device23 Jul 2026US 2026/0214192 A1Coretronic Corporation
Most cited
By later US patents
- TIR lens for waveguide injection208US 5,806,955 ATIR Technologies, Inc. · 1998
- Multiple wavelength light processor190US 5,655,832 ATIR Technologies, Inc. · 1997
- Laser diode collimation optics159US 4,185,891 AGrumman Aerospace Corporation · 1980
- Method of and apparatus for automatically cropping captured linear images of a moving object prior to image processing using region of interest (roi) coordinate specifications captured by an object profiling subsystem158US 6,837,432 B2Metrologic Instruments, Inc. · 2005
- Faceted totally internally reflecting lens with individually curved faces on facets146US 5,404,869 ATIR Technologies, Inc. · 1995