G02F 2203/585
Add/drop devices
G02F2203/585 (Add/drop devices) appears on 133 US grants and 133 published applications in this corpus.
Search patents in G02F- Granted patents
- 133
- Published applications
- 133
- Assignees
- 89
- Inventors
- 289
- Latest grant
- 13 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 5 | 9 |
| 2003 | 7 | 15 |
| 2004 | 15 | 10 |
| 2005 | 8 | 7 |
| 2006 | 7 | 12 |
| 2007 | 11 | 9 |
| 2008 | 13 | 11 |
| 2009 | 5 | 8 |
| 2010 | 5 | 8 |
| 2011 | 7 | 7 |
| 2012 | 5 | 3 |
| 2013 | 5 | 3 |
| 2014 | 5 | 8 |
| 2015 | 5 | 4 |
| 2016 | 6 | 3 |
| 2017 | 5 | 1 |
| 2018 | 4 | 5 |
| 2019 | 5 | 3 |
| 2020 | 2 | 4 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Response shaping by multiple injection in a ring-type structure13 Jun 2023US 11,677,215 B2Ramot at Tel-Aviv University Ltd.
- Phase modulation device26 Oct 2021US 11,156,867 B2JVCKENWOOD Corporation
- Response shaping by multiple injection in a ring-type structure24 Aug 2021US 11,101,620 B2Ramot at Tel-Aviv University Ltd.
- Processing of multimode optical signals24 Aug 2021US 11,101,913 B2Cornell University
- Phase modulation device17 Nov 2020US 10,838,251 B2JVCKENWOOD Corporation
- Response shaping by multiple injection in a ring-type structure9 Dec 2021US 2021/0384704 A1Ramot at Tel-Aviv University Ltd.
- Processing of multimode optical signals10 Sep 2020US 2020/0287650 A1Cornell University
- Phase Modulation Device23 Jul 2020US 2020/0233261 A1JVCKENWOOD Corporation
- Phase modulation device23 Jul 2020US 2020/0233262 A1JVCKENWOOD Corporation
- Response shaping by multiple injection in a ring-type structure20 Feb 2020US 2020/0059068 A1Ramot at Tel-Aviv University Ltd.
Most cited
By later US patents
- Vertically coupled optical resonator devices over a cross-grid waveguide architecture141US 6,411,752 B1Massachusetts Institute of Technology · 2002
- High efficiency channel drop filter with absorption induced on/off switching and modulation128US 6,101,300 AMassachusetts Institute of Technology · 2000
- Switchable polymer-dispersed liquid crystal optical elements107US 6,867,888 B2Science Applications International Corporation · 2005
- Switchable polymer-dispersed liquid crystal optical elements94US 7,583,423 B2Science Applications International Corporation · 2009
- Switchable polymer-dispersed liquid crystal optical elements89US 7,068,405 B2Science Applications International Corporation · 2006