H01S 5/1057
Varying composition along the optical axis
Official title: {varying composition along the optical axis}
H01S5/1057 (Varying composition along the optical axis) appears on 56 US grants and 44 published applications in this corpus.
Search patents in H01S- Granted patents
- 56
- Published applications
- 44
- Assignees
- 44
- Inventors
- 108
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 4 |
| 2003 | 2 | 1 |
| 2004 | 3 | 2 |
| 2005 | 2 | 5 |
| 2006 | 1 | 0 |
| 2007 | 2 | 4 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 3 |
| 2011 | 1 | 1 |
| 2012 | 3 | 4 |
| 2013 | 3 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 3 |
| 2020 | 5 | 3 |
| 2021 | 1 | 1 |
| 2022 | 0 | 3 |
| 2023 | 1 | 0 |
| 2024 | 1 | 3 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Semiconductor optical amplifier array device23 Dec 2025US 12,506,328 B2Furukawa Electric Co., Ltd.
- Laser architectures using quantum well intermixing techniques13 May 2025US 12,300,974 B2Apple Inc.
- Semiconductor optical element1 Oct 2024US 12,107,391 B2Mitsubishi Electric Corporation
- Laser architectures using quantum well intermixing techniques3 Oct 2023US 11,777,279 B2Apple Inc.
- Laser architectures using quantum well intermixing techniques26 Oct 2021US 11,158,996 B2Apple Inc.
- Method for manufacturing a light emitting semiconductor chip and light emitting semiconductor chip6 Jun 2024US 2024/0186765 A1ams-OSRAM International GmbH
- Laser Architectures Using Quantum Well Intermixing Techniques4 Apr 2024US 2024/0113508 A1Apple Inc.
- Light Source Device and Semiconductor Device22 Feb 2024US 2024/0063603 A1Nichia Corporation
- Semiconductor optical element2 Jun 2022US 2022/0173573 A1Mitsubishi Electric Corporation
- Semiconductor optical amplifier array device12 May 2022US 2022/0149597 A1Furukawa Electric Co., Ltd.
Most cited
By later US patents
- Broadband semiconductor optical amplifier structure64US 4,794,346 ABell Communications Research, Inc. · 1988
- Integrated multi-wavelength and wideband lasers46US 6,628,686 B1Fox-Tek, Inc. · 2003
- Optical functional devices and integrated optical devices having a ridged multi-quantum well structure42US 5,689,358 ANippon Telegraph and Telephone Corporation · 1997
- Superluminescent diode and optical amplifier with extended bandwidth42US 6,184,542 B2Princeton Lightwave, Inc. · 2001
- Semiconductor element having opposite signs of .alpha. parameter36US 5,208,822 AKokusai Denshin Denwa Kabushiki Kaisha · 1993