G02B 6/29319
With a cascade of diffractive elements or of diffraction operations
Official title: {With a cascade of diffractive elements or of diffraction operations (forming interferometer by splitting and recombining G02B6/29347 - G02B6/29358)}
G02B6/29319 (With a cascade of diffractive elements or of diffraction operations) appears on 434 US grants and 301 published applications in this corpus.
Search patents in G02B- Granted patents
- 434
- Published applications
- 301
- Assignees
- 217
- Inventors
- 868
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 13 | 0 |
| 1998 | 20 | 0 |
| 1999 | 16 | 0 |
| 2000 | 25 | 0 |
| 2001 | 52 | 9 |
| 2002 | 31 | 49 |
| 2003 | 38 | 51 |
| 2004 | 39 | 37 |
| 2005 | 39 | 22 |
| 2006 | 25 | 17 |
| 2007 | 19 | 10 |
| 2008 | 13 | 8 |
| 2009 | 3 | 9 |
| 2010 | 5 | 4 |
| 2011 | 2 | 7 |
| 2012 | 8 | 7 |
| 2013 | 10 | 3 |
| 2014 | 4 | 6 |
| 2015 | 5 | 4 |
| 2016 | 6 | 5 |
| 2017 | 2 | 4 |
| 2018 | 7 | 5 |
| 2019 | 5 | 6 |
| 2020 | 5 | 10 |
| 2021 | 5 | 6 |
| 2022 | 7 | 3 |
| 2023 | 5 | 5 |
| 2024 | 2 | 3 |
| 2025 | 2 | 7 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and methods for high-speed and long depth range imaging using optical coherence tomography15 Sep 2026US 12,736,751 B2The General Hospital Corporation
- Optical fiber filter with ultra-wide tuning range12 May 2026US 12,625,324 B2II-Vi Delaware, Inc.
- System and method for processing signals acquired from multiplexed optical sensors9 Sep 2025US 12,413,305 B2Xerox Corporation
- Photonic wafer level testing systems, devices, and methods of operation4 Feb 2025US 12,216,020 B2STMicroelectronics S,r.l.
- Optical fiber sensor, optical system and method of optically interrogating an optical fiber sensor8 Oct 2024US 12,111,191 B2Koninklijke Philips N. V.
- Mode group demultiplexing method and device based on cascaded diffractive network20 Aug 2026US 2026/0243964 A1Sun Yat-Sen University
- Optical fiber that combines and demultiplexes light2 Jul 2026US 2026/0186201 A1NTT, Inc.
- Method and System for Imaging and Analysis of a Biological Specimen18 Jun 2026US 2026/0168894 A1The Board of Trustees of the Leland Stanford Junior University
- Bidirectional wavelength access system12 Mar 2026US 2026/0074817 A1Chunghwa Telecom Co., Ltd.
- Double chirp integrated waveguide bragg gratings9 Oct 2025US 2025/0314823 A1Lumentum Operations LLC
Most cited
By later US patents
- Fiber optic position and shape sensing device and method relating thereto229US 7,781,724 B2Luna Innovations Incorporated · 2010
- High power fiber gain media system achieved through power scaling via multiplexing216US 6,212,310 B1SDL, Inc. · 2001
- Method and system for imaging and analysis of a biological specimen157US 10,495,554 B2The Board of Trustees of the Leland Stanford Junior University · 2019
- Optical pulse amplification using chirped Bragg gratings146US 5,499,134 AImra America, Inc. · 1996
- Optical systems with grating reflector133US 5,283,686 AGeneral Instrument Corporation, Jerrold Communications · 1994