G02B 6/2932
Comprising a directional router
Official title: {comprising a directional router, e.g. directional coupler, circulator}
G02B6/2932 (Comprising a directional router) appears on 288 US grants and 185 published applications in this corpus.
Search patents in G02B- Granted patents
- 288
- Published applications
- 185
- Assignees
- 146
- Inventors
- 543
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 23 | 0 |
| 2001 | 40 | 7 |
| 2002 | 25 | 32 |
| 2003 | 24 | 31 |
| 2004 | 29 | 28 |
| 2005 | 25 | 13 |
| 2006 | 15 | 12 |
| 2007 | 13 | 6 |
| 2008 | 7 | 6 |
| 2009 | 3 | 6 |
| 2010 | 3 | 0 |
| 2011 | 1 | 2 |
| 2012 | 3 | 3 |
| 2013 | 3 | 1 |
| 2014 | 3 | 1 |
| 2015 | 0 | 2 |
| 2016 | 3 | 3 |
| 2017 | 1 | 2 |
| 2018 | 4 | 4 |
| 2019 | 4 | 3 |
| 2020 | 2 | 6 |
| 2021 | 2 | 3 |
| 2022 | 2 | 2 |
| 2023 | 3 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 6 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Photonic wafer level testing systems, devices, and methods of operation4 Feb 2025US 12,216,020 B2STMicroelectronics S,r.l.
- Apparatus and methods for high-speed and long depth range imaging using optical coherence tomography18 Jun 2024US 12,013,572 B2The General Hospital Corporation
- Optical fiber filter with ultra-wide tuning range21 Nov 2023US 11,822,127 B2II-Vi Delaware, 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
- Separation filter and quantum communication system using the same2 Oct 2025US 2025/0306283 A1University of Seoul Industry Cooperation Foundation
- Techniques for increasing a quality factor of an optical filter without substantially increasing filter size and applications thereof25 Sep 2025US 2025/0298190 A1Honeywell International Inc.
Most cited
By later US patents
- 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 systems with grating reflector133US 5,283,686 AGeneral Instrument Corporation, Jerrold Communications · 1994
- Optical add-drop multiplexers for WDM optical communication systems125US 5,778,118 ACiena Corporation · 1998
- Optical system with tunable in-fiber gratings114US 5,579,143 ACiena Corporation · 1996
- Optical waveguiding component comprising a band-pass filter110US 5,475,780 AAT&T Corp. · 1995