G02B 27/50
Optics for phase object visualisation
G02B27/50 (Optics for phase object visualisation) appears on 139 US grants and 108 published applications in this corpus.
Search patents in G02B- Granted patents
- 139
- Published applications
- 108
- Assignees
- 101
- Inventors
- 276
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 4 |
| 2003 | 3 | 3 |
| 2004 | 2 | 6 |
| 2005 | 4 | 4 |
| 2006 | 3 | 3 |
| 2007 | 2 | 5 |
| 2008 | 2 | 4 |
| 2009 | 3 | 6 |
| 2010 | 6 | 7 |
| 2011 | 5 | 3 |
| 2012 | 9 | 5 |
| 2013 | 1 | 3 |
| 2014 | 3 | 2 |
| 2015 | 3 | 4 |
| 2016 | 0 | 2 |
| 2017 | 5 | 4 |
| 2018 | 2 | 4 |
| 2019 | 8 | 6 |
| 2020 | 5 | 8 |
| 2021 | 6 | 3 |
| 2022 | 1 | 10 |
| 2023 | 5 | 4 |
| 2024 | 9 | 4 |
| 2025 | 9 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Schlieren system for in-situ/online monitoring of spatter in large-area melt pool5 May 2026US 12,619,069 B2Wuhan University of Science and Technology
- Efficient, dynamic, high contrast lensing with applications to imaging, illumination and projection10 Mar 2026US 12,574,484 B2Barco Visual Solutions, Inc.
- Device for observing a sample by imaging30 Dec 2025US 12,510,471 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Splicing display apparatus for floating image and multi-layer display device comprising the same9 Dec 2025US 12,493,199 B2Shanghai Yupei Photoelectric Technology Limited
- Observation apparatus and method of visualizing phase object2 Dec 2025US 12,487,438 B2Evident Corporation
- Systems and methods for performing vessel segmentation from flow data representative of flow within a vessel26 Feb 2026US 2026/0057525 A1Purdue Research Foundation
- Schlieren system for in-situ/online monitoring of spatter in large-area melt pool9 Oct 2025US 2025/0314878 A1Wuhan University of Science and Technology
- Diffractive all-optical computing for quantitative phase imaging1 May 2025US 2025/0138296 A1The Regents of the University of California
- Splicing display apparatus for floating image and multi-layer display device comprising the same1 Aug 2024US 2024/0255775 A1Shanghai Yupei Photoelectric Technology Limited
- Device for observing a sample by imaging4 Jul 2024US 2024/0219300 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Optical fiber interconnection network including spatial light modulator295US 4,856,863 ATexas Instruments Incorporated · 1989
- Wavefront coding phase contrast imaging systems282US 6,525,302 B2The Regents of the University of Colorado · 2003
- Image projector including optical fiber which couples laser illumination to light modulator98US 6,480,634 B1Silicon Light Machines Corporation · 2002
- Spatial light modulator based phase contrast image projection system84US 5,508,841 ATexas Instruments Incorporated · 1996
- Self imaging system using a waveguide77US 4,087,159 AMax-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. · 1978