H01S 5/3068
Deep levels
Official title: {deep levels}
H01S5/3068 (Deep levels) appears on 30 US grants and 9 published applications in this corpus.
Search patents in H01S- Granted patents
- 30
- Published applications
- 9
- Assignees
- 24
- Inventors
- 66
- Latest grant
- 9 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Semiconductor layer stack and method for producing same9 Jan 2024US 11,870,220 B2AZUR SPACE Solar Power GmbH
- Semiconductor layer stack and method for producing same23 Aug 2022US 11,424,596 B2AZUR SPACE Solar Power GmbH
- Electrically pumped broadly tunable mid-infrared lasers based on quantum confined transition metal doped semiconductors9 Oct 2012US 8,284,805 B2The UAB Research Foundation
- Apparatus and methods for optical amplification in semiconductors25 May 2010US 7,724,425 B2Ramot at Tel-Aviv University Ltd.
- Apparatus and method for optical amplification in indirect-gap semiconductors3 Feb 2009US 7,486,437 B2Ramot at Tel-Aviv University Ltd.
- Photoconductive semiconductor laser diodes and leds12 Oct 2023US 2023/0327400 A1
- Semiconductor layer stack and method for producing same17 Nov 2022US 2022/0368110 A1AZUR SPACE Solar Power GmbH
- Semiconductor layer stack and method for producing same22 Apr 2021US 2021/0119419 A1AZUR SPACE Solar Power GmbH
- Semiconductor light-emitting device3 Dec 2020US 2020/0381898 A1Sony Semiconductor Solutions Corporation
- Electrically Pumped Broadly Tunable Mid-Infrared Lasers based on Quantum Confined Transition Metal Doped Semiconductors10 Dec 2009US 2009/0304034 A1The UAB Research Foundation
Most cited
By later US patents
- Optical waveguide system comprising a rare-earth Si-based optical device75US 5,107,538 AAT&T Bell Laboratories · 1992
- Blue-green laser diode43US 5,291,507 AMinnesota Mining and Manufacturing Company · 1994
- Buried ridge II-VI laser diode39US 5,404,027 AMinnesota Mining & Manufacturing Compay · 1995
- Semiconductor devices employing Ti-doped Group III-V epitaxial layer30US 4,774,554 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1988
- Valance specific lanthanide doped optoelectronic metal fluoride semiconductor device24US 5,248,890 AForschungszentrum Julich GmbH · 1993