H01S 5/34326
With a well layer based on ingap
Official title: {with a well layer based on InGa(Al)P, e.g. red laser}
H01S5/34326 (With a well layer based on ingap) appears on 402 US grants and 334 published applications in this corpus.
Search patents in H01S- Granted patents
- 402
- Published applications
- 334
- Assignees
- 128
- Inventors
- 622
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 19 | 0 |
| 1997 | 12 | 0 |
| 1998 | 28 | 0 |
| 1999 | 14 | 0 |
| 2000 | 15 | 0 |
| 2001 | 11 | 3 |
| 2002 | 9 | 8 |
| 2003 | 15 | 7 |
| 2004 | 9 | 28 |
| 2005 | 12 | 27 |
| 2006 | 14 | 30 |
| 2007 | 15 | 28 |
| 2008 | 15 | 22 |
| 2009 | 26 | 27 |
| 2010 | 36 | 32 |
| 2011 | 12 | 10 |
| 2012 | 14 | 13 |
| 2013 | 8 | 8 |
| 2014 | 3 | 9 |
| 2015 | 9 | 9 |
| 2016 | 6 | 7 |
| 2017 | 6 | 9 |
| 2018 | 7 | 10 |
| 2019 | 12 | 10 |
| 2020 | 6 | 8 |
| 2021 | 6 | 9 |
| 2022 | 6 | 7 |
| 2023 | 5 | 6 |
| 2024 | 6 | 4 |
| 2025 | 2 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Broadened spectrum laser diode for display device29 Sep 2026US 12,749,869 B2Microsoft Technology Licensing, LLC
- Light emitting element, light source device, display device, head-mounted display, and biological information acquisition apparatus24 Feb 2026US 12,562,549 B2Ricoh Company, Ltd.
- Semiconductor laser with a horizontal laser element and a vertical laser element, lidar system and production method23 Dec 2025US 12,506,323 B2ams-OSRAM International GmbH
- Method for controlling a semiconductor-laser-diode-based SS-interferometer system29 Jul 2025US 12,372,462 B2Carl Zeiss Meditec AG
- Optical systems fabricated by printing-based assembly5 Nov 2024US 12,136,620 B2The Board of Trustees of the University of Illinois
- Semiconductor laser device and optical apparatus20 Aug 2026US 2026/0246240 A1Ushio Denki Kabushiki Kaisha
- Laser light source5 Mar 2026US 2026/0066615 A1Nichia Corporation
- Method for controlling a semiconductor-laser-diode-based ss-interferometer system9 Oct 2025US 2025/0314584 A1
- Heterogeneously integrated photonic platform with ingap layers7 Nov 2024US 2024/0372332 A1
- Radiation-emitting semiconductor body, laser diode and light-emitting diode31 Oct 2024US 2024/0364082 A1ams-OSRAM International GmbH
Most cited
By later US patents
- Optical systems fabricated by printing-based assembly564US 7,972,875 B2The Board of Trustees of the University of Illinois · 2011
- Optical systems fabricated by printing-based assembly346US 8,722,458 B2Semprius, Inc. · 2014
- Photonic-well Microcavity light emitting devices98US 5,790,583 ANorthwestern University · 1998
- Multiquantum barrier laser having high electron and hole reflectivity of layers94US 5,425,041 AFuji Xerox Co., Ltd. · 1995
- Microcavity semiconductor laser92US 5,825,799 ANorthwestern University · 1998