G02B 27/48
Laser speckle optics
G02B27/48 (Laser speckle optics) appears on 1,138 US grants and 1,350 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,138
- Published applications
- 1,350
- Assignees
- 510
- Inventors
- 1,983
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 1 |
| 2002 | 6 | 14 |
| 2003 | 11 | 51 |
| 2004 | 16 | 13 |
| 2005 | 38 | 19 |
| 2006 | 23 | 26 |
| 2007 | 15 | 29 |
| 2008 | 16 | 55 |
| 2009 | 29 | 56 |
| 2010 | 40 | 56 |
| 2011 | 48 | 41 |
| 2012 | 30 | 58 |
| 2013 | 36 | 78 |
| 2014 | 53 | 71 |
| 2015 | 66 | 61 |
| 2016 | 71 | 86 |
| 2017 | 65 | 80 |
| 2018 | 60 | 82 |
| 2019 | 89 | 85 |
| 2020 | 74 | 106 |
| 2021 | 76 | 76 |
| 2022 | 71 | 55 |
| 2023 | 53 | 53 |
| 2024 | 45 | 38 |
| 2025 | 38 | 40 |
| 2026 | 17 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Illumination sources for multicore fiber endoscopes29 Sep 2026US 12,745,900 B2Zsquare Ltd.
- Light source and laser projection apparatus15 Sep 2026US 12,736,863 B2Hisense Laser Display Co., Ltd
- Optical fiber having an expanded light pattern8 Sep 2026US 12,727,960 B2Katalyst Surgical, LLC
- Speckle-reduced illumination for improved scattering-based microscopy1 Sep 2026US 12,724,285 B2Arizona Board of Regents on Behalf of the University of Arizona
- Instantaneous non-diffracting light sheets11 Aug 2026US 12,704,706 B2University of Central Florida Research Foundation, Inc.
- Method and a system for reducing motion artefacts in speckle pattern signal20 Aug 2026US 2026/0245187 A1Stichting IMEC Nederland
- Laser array unit13 Aug 2026US 2026/0237960 A1Heartray Ltd
- Multiple-channel imaging laparoscopy and uses thereof6 Aug 2026US 2026/0224102 A1Children's National Medical Center
- Optical device23 Jul 2026US 2026/0211257 A1Vitrealab GmbH
- Light-emitting device2 Jul 2026US 2026/0188982 A1Nichia Corporation
Most cited
By later US patents
- Laser projection display system492US 6,594,090 B2Eastman Kodak Company · 2003
- Standard independent digitized video system363US 5,079,544 ATexas Instruments Incorporated · 1992
- Digitized color video display system344US 5,192,946 ATexas Instruments Incorporated · 1993
- Reduced-speckle display system320US 5,272,473 ATexas Instruments Incorporated · 1993
- Spatial light modulator projection system with random polarity light310US 5,214,420 ATexas Instruments Incorporated · 1993