G03H 2223/26
Means providing optical delay
Official title: Means providing optical delay, e.g. for path length matching
G03H2223/26 (Means providing optical delay) appears on 38 US grants and 45 published applications in this corpus.
Search patents in G03H- Granted patents
- 38
- Published applications
- 45
- Assignees
- 38
- Inventors
- 113
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 0 |
| 2006 | 2 | 4 |
| 2007 | 0 | 0 |
| 2008 | 2 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 4 |
| 2018 | 3 | 2 |
| 2019 | 3 | 3 |
| 2020 | 1 | 3 |
| 2021 | 2 | 1 |
| 2022 | 4 | 7 |
| 2023 | 0 | 4 |
| 2024 | 1 | 2 |
| 2025 | 3 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Holographic projector and method23 Jun 2026US 12,663,755 B2Envisics Ltd
- Method comprising determining a quantitative dispersion image of an object and digital in-line hologram microscope scanner12 May 2026US 12,625,358 B2Sony Group Corporation
- Dark field digital holographic microscope and associated metrology method3 Mar 2026US 12,566,406 B2ASML Netherlands B. V.
- Device acquiring holography and system including the same30 Dec 2025US 12,510,862 B2Electronics and Telecommunications Research Institute
- Holographic camera system11 Nov 2025US 12,468,256 B2Electronics and Telecommunications Research Institute
- Dark field digital holographic microscope and associated metrology method2 Jul 2026US 2026/0186446 A1ASML Netherlands B. V.
- Ultracompact optical system for 3-d imaging25 Jun 2026US 2026/0181119 A1Akmira Optronics GmbH
- Apparatus and method for additively manufacturing three-dimensional objects14 May 2026US 2026/0131536 A1General Electric Company
- Illumination arrangement for a metrology device and associated method26 Jun 2025US 2025/0207978 A1ASML Netherlands B. V.
- Method and device for compensating surface error of holographic grating substrate27 Feb 2025US 2025/0068123 A1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
Most cited
By later US patents
- Three-dimensional optical recording medium and optical information recording apparatus using the same56US 5,283,777 APioneer Electronic Corporation · 1994
- Holographic imaging39US 5,796,498 AImperial College of Science, Technology and Medicine · 1998
- Pulsed-laser systems and methods for producing holographic stereograms30US 6,806,982 B2Zebra Imaging, Inc. · 2004
- Method and device for obtaining a sample with three-dimensional microscopy30US 7,009,700 B2Universite Libre de Bruxelles · 2006
- Pulsed-laser systems and methods for producing holographic stereograms21US 7,027,197 B2Zebra Imaging, Inc. · 2006