H01S 5/3205
With an active layer having a graded composition in the growth direction
Official title: {with an active layer having a graded composition in the growth direction}
H01S5/3205 (With an active layer having a graded composition in the growth direction) appears on 9 US grants and 8 published applications in this corpus.
Search patents in H01S- Granted patents
- 9
- Published applications
- 8
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 16 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Semiconductor device, semiconductor laser, and method of producing a semiconductor device16 Jan 2024US 11,876,349 B2Sony Semiconductor Solutions Corporation
- Semiconductor device, semiconductor laser, and method of producing a semiconductor device14 Sep 2021US 11,121,524 B2Sony Semiconductor Solutions Corporation
- Semiconductor chip and method for producing a semiconductor chip23 Jun 2020US 10,693,033 B2OSRAM OLED GmbH
- Semiconductor chip and method for producing a semiconductor chip20 Aug 2019US 10,388,823 B2OSRAM Opto Semiconductors GmbH
- Quantum efficiency of multiple quantum wells28 Feb 2017US 9,583,671 B2Invensas Corporation
- Semiconductor device, semiconductor laser, and method of producing a semiconductor device2 Dec 2021US 2021/0376571 A1Sony Semiconductor Solutions Corporation
- Semiconductor device, semiconductor laser, and method of producing a semiconductor device26 Dec 2019US 2019/0393679 A1Sony Semiconductor Solutions Corporation
- Semiconductor chip and method for producing a semiconductor chip17 Oct 2019US 2019/0319162 A1OSRAM Opto Semiconductors GmbH
- Semiconductor chip and method for producing a semiconductor chip16 Nov 2017US 2017/0330996 A1OSRAM Opto Semiconductors GmbH
- Quantum efficiency of multiple quantum wells18 Jun 2015US 2015/0171265 A1Invensas Corporation
Most cited
By later US patents
- Article comprising a semiconductor laser that is non-degenerate with regard to polarization28US 5,390,209 AAT&T Corp. · 1995
- Semiconductor light emitting devices with graded composition light emitting layers18US 7,122,839 B2Philips Lumileds Lighting Company, LLC · 2006
- Quantum efficiency of multiple quantum wells5US 8,975,616 B22015
- Quantum efficiency of multiple quantum wells2US 9,583,671 B2Invensas Corporation · 2017
- Surface-emitting laser device1US 5,883,911 AElectronics and Telecommunications Research Institute · 1999