G02F 1/01741
Asymmetrically coupled or double quantum wells
Official title: {Asymmetrically coupled or double quantum wells}
G02F1/01741 (Asymmetrically coupled or double quantum wells) appears on 10 US grants and 8 published applications in this corpus.
Search patents in G02F- Granted patents
- 10
- Published applications
- 8
- Assignees
- 9
- Inventors
- 25
- Latest grant
- 15 Aug 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Semiconductor optical modulator and optical module15 Aug 2017US 9,733,497 B2Mitsubishi Electric Corporation
- Transmission type high-absorption optical modulator and method of manufacturing the same16 Aug 2016US 9,417,468 B2Samsung Electronics Co., Ltd.
- Coupled asymmetric quantum confinement structures9 Sep 2014US 8,828,764 B2University of Seoul Industry Cooperation Foundation
- Coupled asymmetric quantum confinement structures22 Apr 2014US 8,704,248 B2University of Seoul Industry Cooperation Foundation
- Coupled asymmetric quantum confinement structures15 Oct 2013US 8,558,257 B2University of Seoul Industry Cooperation Foundation
- Transmission type high-absorption optical modulator and method of manufacturing the same3 Nov 2016US 2016/0320642 A1Samsung Electronics Co., Ltd.
- Semiconductor optical modulator and optical module13 Oct 2016US 2016/0299362 A1Mitsubishi Electric Corporation
- Transmission type high-absorption optical modulator and method of manufacturing the same21 Jan 2016US 2016/0018676 A1Samsung Electronics Co., Ltd.
- Coupled asymmetric quantum confinement structures24 Jul 2014US 2014/0206118 A1University of Seoul Industry Cooperation Foundation
- Coupled Asymmetric Quantum Confinement Structures9 Jan 2014US 2014/0008612 A1University of Seoul Industry Cooperation Foundation
Most cited
By later US patents
- Electro-optic quantum well device33US 5,047,822 AMartin Marietta Corporation · 1991
- Optical device with an asymmetric dual quantum well structure27US 5,569,934 ACanon Kabushiki Kaisha · 1996
- Electromagnetic wave modulator with quantum well structure15US 5,432,634 AThomson-CSF · 1995
- Coupled quantum well structure5US 8,179,585 B2National Institute of Advanced Industrial Science and Technology · 2012
- Intersubband electro-optical modulators based on intervalley transfer in asymmetric double quantum wells4US 5,724,174 AThe United States of America as represented by the Secretary of the Navy · 1998