H01S 5/2277
Double channel planar buried heterostructure [dcpbh] laser
Official title: {double channel planar buried heterostructure [DCPBH] laser}
H01S5/2277 (Double channel planar buried heterostructure [dcpbh] laser) appears on 101 US grants and 35 published applications in this corpus.
Search patents in H01S- Granted patents
- 101
- Published applications
- 35
- Assignees
- 37
- Inventors
- 178
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 10 | 0 |
| 1989 | 12 | 0 |
| 1990 | 8 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 6 |
| 2003 | 2 | 7 |
| 2004 | 4 | 3 |
| 2005 | 4 | 0 |
| 2006 | 3 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 3 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 4 |
| 2022 | 2 | 2 |
| 2023 | 0 | 3 |
| 2024 | 4 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Semiconductor laser device10 Mar 2026US 12,573,809 B2Mitsubishi Electric Corporation
- Method for fabricating semiconductor device17 Dec 2024US 12,170,436 B2Modulight Corporation
- Optical semiconductor device and semiconductor light-emitting device22 Oct 2024US 12,126,138 B2Lumentum Japan, Inc.
- Optical semiconductor device23 Jul 2024US 12,046,870 B2Lumentum Japan, Inc.
- Semiconductor laser2 Jul 2024US 12,027,823 B2Lumentum Japan, Inc.
- Semiconductor laser5 Feb 2026US 2026/0039090 A1Lumentum Japan, Inc.
- Optical semiconductor device1 May 2025US 2025/0141189 A1Mitsubishi Electric Corporation
- Semiconductor laser device3 Aug 2023US 2023/0246412 A1Mitsubishi Electric Corporation
- Method for fabricating semiconductor device6 Jul 2023US 2023/0216278 A1Modulight Corporation
- Optical semiconductor device18 May 2023US 2023/0155347 A1Lumentum Japan, Inc.
Most cited
By later US patents
- Method for fabricating indium phosphide/indium gallium arsenide phosphide buried heterostructure semiconductor lasers62US 5,082,799 AGTE Laboratories Incorporated · 1992
- Optical functional devices and integrated optical devices having a ridged multi-quantum well structure42US 5,689,358 ANippon Telegraph and Telephone Corporation · 1997
- Single frequency high power semiconductor laser40US 4,856,017 AOrtel Corporation · 1989
- Optical semiconductor device and fabricating method thereof40US 6,724,068 B2Kabushiki Kaisha Toshiba · 2004
- Semiconductor devices employing high resistivity in-based compound group III-IV epitaxial layer for current confinement33US 4,888,624 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989